11002120032 has 48 divisors (see below), whose sum is σ = 28886623920. Its totient is φ = 3666604032.

The previous prime is 11002119991. The next prime is 11002120033. The reversal of 11002120032 is 23002120011.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002120033) 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, 620344 + ... + 637832.

It is an arithmetic number, because the mean of its divisors is an integer number (601804665).

Almost surely, 2^11002120032 is an apocalyptic number.

11002120032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11002120032 is an abundant number, since it is smaller than the sum of its proper divisors (17884503888).

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

11002120032 is a wasteful number, since it uses less digits than its factorization.

11002120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24055 (or 24047 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11002120032 its reverse (23002120011), we get a palindrome (34004240043).

The spelling of 11002120032 in words is "eleven billion, two million, one hundred twenty thousand, thirty-two".