20102122120102 has 24 divisors (see below), whose sum is σ = 33239096295048. Its totient is φ = 9110995840320.

The previous prime is 20102122120063. The next prime is 20102122120123.

It is a happy number.

20102122120102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119608563 + ... + 119776510.

It is an arithmetic number, because the mean of its divisors is an integer number (1384962345627).

Almost surely, 2^{20102122120102} is an apocalyptic number.

20102122120102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102122120102 is a deficient number, since it is larger than the sum of its proper divisors (13136974174946).

20102122120102 is a wasteful number, since it uses less digits than its factorization.

20102122120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239385444 (or 239385433 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 2010212 and 2120102, that added together give a palindrome (4130314).

The spelling of 20102122120102 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".