11131023102 has 64 divisors (see below), whose sum is σ = 22798955520. Its totient is φ = 3622320000.

The previous prime is 11131023089. The next prime is 11131023161. The reversal of 11131023102 is 20132013111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14821227 + ... + 14821977.

It is an arithmetic number, because the mean of its divisors is an integer number (356233680).

Almost surely, 2^11131023102 is an apocalyptic number.

11131023102 is an abundant number, since it is smaller than the sum of its proper divisors (11667932418).

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

11131023102 is a wasteful number, since it uses less digits than its factorization.

11131023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11131023102 its reverse (20132013111), we get a palindrome (31263036213).

Subtracting 11131023102 from its reverse (20132013111), we obtain a palindrome (9000990009).

The spelling of 11131023102 in words is "eleven billion, one hundred thirty-one million, twenty-three thousand, one hundred two".