11031102012 has 48 divisors (see below), whose sum is σ = 30430632960. Its totient is φ = 3043061952.

The previous prime is 11031102011. The next prime is 11031102097. The reversal of 11031102012 is 21020113011.

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 (11031102011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261748 + ... + 2266619.

It is an arithmetic number, because the mean of its divisors is an integer number (633971520).

Almost surely, 2^11031102012 is an apocalyptic number.

11031102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031102012 is an abundant number, since it is smaller than the sum of its proper divisors (19399530948).

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

11031102012 is a wasteful number, since it uses less digits than its factorization.

11031102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528410 (or 4528408 counting only the distinct ones).

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

Adding to 11031102012 its reverse (21020113011), we get a palindrome (32051215023).

The spelling of 11031102012 in words is "eleven billion, thirty-one million, one hundred two thousand, twelve".