20011012112122 has 16 divisors (see below), whose sum is σ = 31073766192000. Its totient is φ = 9653583285360.

The previous prime is 20011012112087. The next prime is 20011012112177. The reversal of 20011012112122 is 22121121011002.

It is a junction number, because it is equal to n+sod(n) for n = 20011012112096 and 20011012112105.

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, 123227454 + ... + 123389737.

It is an arithmetic number, because the mean of its divisors is an integer number (1942110387000).

Almost surely, 2^{20011012112122} is an apocalyptic number.

20011012112122 is a deficient number, since it is larger than the sum of its proper divisors (11062754079878).

20011012112122 is a wasteful number, since it uses less digits than its factorization.

20011012112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246618621.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20011012112122 its reverse (22121121011002), we get a palindrome (42132133123124).

The spelling of 20011012112122 in words is "twenty trillion, eleven billion, twelve million, one hundred twelve thousand, one hundred twenty-two".