11100331020 has 24 divisors (see below), whose sum is σ = 31080927024. Its totient is φ = 2960088256.

The previous prime is 11100331013. The next prime is 11100331037. The reversal of 11100331020 is 2013300111.

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 = 11100330987 and 11100331005.

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, 92502699 + ... + 92502818.

It is an arithmetic number, because the mean of its divisors is an integer number (1295038626).

Almost surely, 2^11100331020 is an apocalyptic number.

11100331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100331020 is an abundant number, since it is smaller than the sum of its proper divisors (19980596004).

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

11100331020 is a wasteful number, since it uses less digits than its factorization.

11100331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185005529 (or 185005527 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11100331020 its reverse (2013300111), we get a palindrome (13113631131).

The spelling of 11100331020 in words is "eleven billion, one hundred million, three hundred thirty-one thousand, twenty".