11031020120 has 32 divisors (see below), whose sum is σ = 24855264720. Its totient is φ = 4406102400.

The previous prime is 11031020107. The next prime is 11031020159. The reversal of 11031020120 is 2102013011.

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, 168662 + ... + 224741.

Almost surely, 2^11031020120 is an apocalyptic number.

11031020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031020120 is an abundant number, since it is smaller than the sum of its proper divisors (13824244600).

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

11031020120 is a wasteful number, since it uses less digits than its factorization.

11031020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394115 (or 394111 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11031020120 its reverse (2102013011), we get a palindrome (13133033131).

The spelling of 11031020120 in words is "eleven billion, thirty-one million, twenty thousand, one hundred twenty".