2211201120 has 48 divisors (see below), whose sum is σ = 6965285040. Its totient is φ = 589653504.

The previous prime is 2211201103. The next prime is 2211201121. The reversal of 2211201120 is 211021122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2211201096 and 2211201105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211201121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302855 + ... + 2303814.

It is an arithmetic number, because the mean of its divisors is an integer number (145110105).

Almost surely, 2^2211201120 is an apocalyptic number.

2211201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211201120 is an abundant number, since it is smaller than the sum of its proper divisors (4754083920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211201120 is a wasteful number, since it uses less digits than its factorization.

2211201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606687 (or 4606679 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2211201120 is about 47023.4103399573. The cubic root of 2211201120 is about 1302.7949963211.

Adding to 2211201120 its reverse (211021122), we get a palindrome (2422222242).

The spelling of 2211201120 in words is "two billion, two hundred eleven million, two hundred one thousand, one hundred twenty".