11001231131202 has 48 divisors (see below), whose sum is σ = 25670420875008. Its totient is φ = 3384877943520.

The previous prime is 11001231131179. The next prime is 11001231131213. The reversal of 11001231131202 is 20213113210011.

11001231131202 is a `hidden beast` number, since 1 + 100 + 1 + 231 + 131 + 202 = 666.

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

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, 6148677 + ... + 7733607.

It is an arithmetic number, because the mean of its divisors is an integer number (534800434896).

Almost surely, 2^{11001231131202} is an apocalyptic number.

11001231131202 is an abundant number, since it is smaller than the sum of its proper divisors (14669189743806).

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

11001231131202 is a wasteful number, since it uses less digits than its factorization.

11001231131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614615 (or 1614612 counting only the distinct ones).

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

Adding to 11001231131202 its reverse (20213113210011), we get a palindrome (31214344341213).

The spelling of 11001231131202 in words is "eleven trillion, one billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred two".