11100131210 has 48 divisors (see below), whose sum is σ = 23536604160. Its totient is φ = 3757572000.

The previous prime is 11100131209. The next prime is 11100131257. The reversal of 11100131210 is 1213100111.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11100131191 and 11100131200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104666 + ... + 182085.

It is an arithmetic number, because the mean of its divisors is an integer number (490345920).

Almost surely, 2^11100131210 is an apocalyptic number.

11100131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100131210 is an abundant number, since it is smaller than the sum of its proper divisors (12436472950).

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

11100131210 is a wasteful number, since it uses less digits than its factorization.

11100131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286851 (or 286844 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11100131210 its reverse (1213100111), we get a palindrome (12313231321).

The spelling of 11100131210 in words is "eleven billion, one hundred million, one hundred thirty-one thousand, two hundred ten".