11021112120 has 32 divisors (see below), whose sum is σ = 33063336720. Its totient is φ = 2938963200.

The previous prime is 11021112107. The next prime is 11021112131. The reversal of 11021112120 is 2121112011.

It is a super-2 number, since 2×11021112120² (a number of 21 digits) contains 22 as substring.

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 = 11021112096 and 11021112105.

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, 45921181 + ... + 45921420.

Almost surely, 2^11021112120 is an apocalyptic number.

11021112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021112120 is an abundant number, since it is smaller than the sum of its proper divisors (22042224600).

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

11021112120 is a wasteful number, since it uses less digits than its factorization.

11021112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91842615 (or 91842611 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11021112120 its reverse (2121112011), we get a palindrome (13142224131).

The spelling of 11021112120 in words is "eleven billion, twenty-one million, one hundred twelve thousand, one hundred twenty".