1112022221 has 8 divisors (see below), whose sum is σ = 1124116704. Its totient is φ = 1099949200.

The previous prime is 1112022211. The next prime is 1112022257. The reversal of 1112022221 is 1222202111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112022221 - 2⁶ = 1112022157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112022196 and 1112022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112022211) 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, 112730 + ... + 122196.

It is an arithmetic number, because the mean of its divisors is an integer number (140514588).

Almost surely, 2^1112022221 is an apocalyptic number.

It is an amenable number.

1112022221 is a deficient number, since it is larger than the sum of its proper divisors (12094483).

1112022221 is a wasteful number, since it uses less digits than its factorization.

1112022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1112022221 is about 33346.9971811556. The cubic root of 1112022221 is about 1036.0271943315.

Adding to 1112022221 its reverse (1222202111), we get a palindrome (2334224332).

It can be divided in two parts, 111202 and 2221, that multiplied together give a palindrome (246979642).

The spelling of 1112022221 in words is "one billion, one hundred twelve million, twenty-two thousand, two hundred twenty-one".