2211105020 has 24 divisors (see below), whose sum is σ = 4645517184. Its totient is φ = 884023616.

The previous prime is 2211105011. The next prime is 2211105041. The reversal of 2211105020 is 205011122.

2211105020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2211104986 and 2211105004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19094 + ... + 69186.

It is an arithmetic number, because the mean of its divisors is an integer number (193563216).

Almost surely, 2^2211105020 is an apocalyptic number.

2211105020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211105020 is an abundant number, since it is smaller than the sum of its proper divisors (2434412164).

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

2211105020 is a wasteful number, since it uses less digits than its factorization.

2211105020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52309 (or 52307 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2211105020 is about 47022.3884973956. The cubic root of 2211105020 is about 1302.7761226553.

Adding to 2211105020 its reverse (205011122), we get a palindrome (2416116142).

The spelling of 2211105020 in words is "two billion, two hundred eleven million, one hundred five thousand, twenty".