1131121013012 has 12 divisors (see below), whose sum is σ = 1979478006240. Its totient is φ = 565555868376.

The previous prime is 1131121012951. The next prime is 1131121013021. The reversal of 1131121013012 is 2103101211311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578462 + ... + 1611477.

It is an arithmetic number, because the mean of its divisors is an integer number (164956500520).

Almost surely, 2^{1131121013012} is an apocalyptic number.

It is an amenable number.

1131121013012 is a deficient number, since it is larger than the sum of its proper divisors (848356993228).

1131121013012 is a wasteful number, since it uses less digits than its factorization.

1131121013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319070 (or 2319068 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1131121013012 its reverse (2103101211311), we get a palindrome (3234222224323).

The spelling of 1131121013012 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-one million, thirteen thousand, twelve".