121112131131002 has 48 divisors (see below), whose sum is σ = 211468488789096. Its totient is φ = 51803500953600.

The previous prime is 121112131130993. The next prime is 121112131131077. The reversal of 121112131131002 is 200131131211121.

It can be written as a sum of positive squares in 4 ways, for example, as 120711949636201 + 400181494801 = 10986899^2 + 632599^2 .

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, 20652602 + ... + 25860282.

Almost surely, 2^{121112131131002} is an apocalyptic number.

121112131131002 is a deficient number, since it is larger than the sum of its proper divisors (90356357658094).

121112131131002 is a wasteful number, since it uses less digits than its factorization.

121112131131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213375 (or 5213364 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 121112131131002 its reverse (200131131211121), we get a palindrome (321243262342123).

The spelling of 121112131131002 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred thirty-one million, one hundred thirty-one thousand, two".