11331120021102 has 24 divisors (see below), whose sum is σ = 28058011481136. Its totient is φ = 3237462863136.

The previous prime is 11331120021047. The next prime is 11331120021113. The reversal of 11331120021102 is 20112002113311.

11331120021102 is a `hidden beast` number, since 1 + 1 + 331 + 120 + 0 + 211 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44964761863 + ... + 44964762114.

It is an arithmetic number, because the mean of its divisors is an integer number (1169083811714).

Almost surely, 2^{11331120021102} is an apocalyptic number.

11331120021102 is an abundant number, since it is smaller than the sum of its proper divisors (16726891460034).

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

11331120021102 is a wasteful number, since it uses less digits than its factorization.

11331120021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89929523992 (or 89929523989 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11331120021102 its reverse (20112002113311), we get a palindrome (31443122134413).

The spelling of 11331120021102 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty million, twenty-one thousand, one hundred two".