20102122113 has 32 divisors (see below), whose sum is σ = 28400486400. Its totient is φ = 12612148416.

The previous prime is 20102122099. The next prime is 20102122121. The reversal of 20102122113 is 31122120102.

It is not a de Polignac number, because 20102122113 - 2⁴ = 20102122097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102122092 and 20102122101.

It is not an unprimeable number, because it can be changed into a prime (20102122133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11666070 + ... + 11667792.

It is an arithmetic number, because the mean of its divisors is an integer number (887515200).

Almost surely, 2^20102122113 is an apocalyptic number.

It is an amenable number.

20102122113 is a deficient number, since it is larger than the sum of its proper divisors (8298364287).

20102122113 is a wasteful number, since it uses less digits than its factorization.

20102122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20102122113 its reverse (31122120102), we get a palindrome (51224242215).

The spelling of 20102122113 in words is "twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred thirteen".