102020211000120 has 256 divisors, whose sum is σ = 389851669785600. Its totient is φ = 20792088944640.

The previous prime is 102020211000061. The next prime is 102020211000133. The reversal of 102020211000120 is 21000112020201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102020211000096 and 102020211000105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187735851 + ... + 188278490.

It is an arithmetic number, because the mean of its divisors is an integer number (1522858085100).

Almost surely, 2^{102020211000120} is an apocalyptic number.

102020211000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020211000120 is an abundant number, since it is smaller than the sum of its proper divisors (287831458785480).

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

102020211000120 is a wasteful number, since it uses less digits than its factorization.

102020211000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376014398 (or 376014394 counting only the distinct ones).

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

Adding to 102020211000120 its reverse (21000112020201), we get a palindrome (123020323020321).

The spelling of 102020211000120 in words is "one hundred two trillion, twenty billion, two hundred eleven million, one hundred twenty", and thus it is an aban number.