102010020122100 has 72 divisors (see below), whose sum is σ = 300151516885920. Its totient is φ = 26741609790080.

The previous prime is 102010020122083. The next prime is 102010020122107. The reversal of 102010020122100 is 1221020010201.

It is a super-2 number, since 2×102010020122100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010020122107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2881621287 + ... + 2881656686.

It is an arithmetic number, because the mean of its divisors is an integer number (4168771067860).

Almost surely, 2^{102010020122100} is an apocalyptic number.

102010020122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010020122100 is an abundant number, since it is smaller than the sum of its proper divisors (198141496763820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102010020122100 is a wasteful number, since it uses less digits than its factorization.

102010020122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763278049 (or 5763278042 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102010020122100 its reverse (1221020010201), we get a palindrome (103231040132301).

The spelling of 102010020122100 in words is "one hundred two trillion, ten billion, twenty million, one hundred twenty-two thousand, one hundred".