1131020102120 has 32 divisors (see below), whose sum is σ = 2544927599520. Its totient is φ = 452384508480.

The previous prime is 1131020102117. The next prime is 1131020102167. The reversal of 1131020102120 is 212010201311.

It is a junction number, because it is equal to n+sod(n) for n = 1131020102095 and 1131020102104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53675 + ... + 1504965.

It is an arithmetic number, because the mean of its divisors is an integer number (79528987485).

Almost surely, 2^{1131020102120} is an apocalyptic number.

1131020102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131020102120 is an abundant number, since it is smaller than the sum of its proper divisors (1413907497400).

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

1131020102120 is a wasteful number, since it uses less digits than its factorization.

1131020102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470785 (or 1470781 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1131020102120 its reverse (212010201311), we get a palindrome (1343030303431).

The spelling of 1131020102120 in words is "one trillion, one hundred thirty-one billion, twenty million, one hundred two thousand, one hundred twenty".