11002232120 has 32 divisors (see below), whose sum is σ = 27005479920. Its totient is φ = 4000811520.

The previous prime is 11002232113. The next prime is 11002232147. The reversal of 11002232120 is 2123220011.

It is a happy number.

It is a super-2 number, since 2×11002232120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11002232095 and 11002232104.

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, 12502097 + ... + 12502976.

Almost surely, 2^11002232120 is an apocalyptic number.

11002232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002232120 is an abundant number, since it is smaller than the sum of its proper divisors (16003247800).

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

11002232120 is a wasteful number, since it uses less digits than its factorization.

11002232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005095 (or 25005091 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11002232120 its reverse (2123220011), we get a palindrome (13125452131).

The spelling of 11002232120 in words is "eleven billion, two million, two hundred thirty-two thousand, one hundred twenty".