20112130031122 has 8 divisors (see below), whose sum is σ = 30176772877836. Its totient is φ = 10053205738512.

The previous prime is 20112130031117. The next prime is 20112130031173. The reversal of 20112130031122 is 22113003121102.

It can be written as a sum of positive squares in 2 ways, for example, as 17542870473241 + 2569259557881 = 4188421^2 + 1602891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20112130031122.

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, 1429629733 + ... + 1429643800.

Almost surely, 2^{20112130031122} is an apocalyptic number.

20112130031122 is a deficient number, since it is larger than the sum of its proper divisors (10064642846714).

20112130031122 is a wasteful number, since it uses less digits than its factorization.

20112130031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859277052.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20112130031122 its reverse (22113003121102), we get a palindrome (42225133152224).

The spelling of 20112130031122 in words is "twenty trillion, one hundred twelve billion, one hundred thirty million, thirty-one thousand, one hundred twenty-two".