1131101020120 has 32 divisors (see below), whose sum is σ = 2545266016800. Its totient is φ = 452389079808.

The previous prime is 1131101020087. The next prime is 1131101020169. The reversal of 1131101020120 is 210201011311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131101020120.

It is a congruent number.

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, 1246029 + ... + 1953148.

It is an arithmetic number, because the mean of its divisors is an integer number (79539563025).

Almost surely, 2^{1131101020120} is an apocalyptic number.

1131101020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131101020120 is an abundant number, since it is smaller than the sum of its proper divisors (1414164996680).

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

1131101020120 is a wasteful number, since it uses less digits than its factorization.

1131101020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208027 (or 3208023 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1131101020120 its reverse (210201011311), we get a palindrome (1341302031431).

The spelling of 1131101020120 in words is "one trillion, one hundred thirty-one billion, one hundred one million, twenty thousand, one hundred twenty".