102020001120100 has 72 divisors (see below), whose sum is σ = 254524630631040. Its totient is φ = 34768835243520.

The previous prime is 102020001120073. The next prime is 102020001120133. The reversal of 102020001120100 is 1021100020201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436238965 + ... + 436472764.

It is an arithmetic number, because the mean of its divisors is an integer number (3535064314320).

Almost surely, 2^{102020001120100} is an apocalyptic number.

102020001120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020001120100 is an abundant number, since it is smaller than the sum of its proper divisors (152504629510940).

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

102020001120100 is a wasteful number, since it uses less digits than its factorization.

102020001120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872711917 (or 872711910 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102020001120100 its reverse (1021100020201), we get a palindrome (103041101140301).

The spelling of 102020001120100 in words is "one hundred two trillion, twenty billion, one million, one hundred twenty thousand, one hundred".