1131202113102 has 48 divisors (see below), whose sum is σ = 2504145676032. Its totient is φ = 368888357520.

The previous prime is 1131202113059. The next prime is 1131202113103. The reversal of 1131202113102 is 2013112021311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131202113103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1723893 + ... + 2287839.

It is an arithmetic number, because the mean of its divisors is an integer number (52169701584).

Almost surely, 2^{1131202113102} is an apocalyptic number.

1131202113102 is an abundant number, since it is smaller than the sum of its proper divisors (1372943562930).

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

1131202113102 is a wasteful number, since it uses less digits than its factorization.

1131202113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566373 (or 566370 counting only the distinct ones).

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

Adding to 1131202113102 its reverse (2013112021311), we get a palindrome (3144314134413).

It can be divided in two parts, 113120 and 2113102, that added together give a palindrome (2226222).

The spelling of 1131202113102 in words is "one trillion, one hundred thirty-one billion, two hundred two million, one hundred thirteen thousand, one hundred two".