102101201020200 has 48 divisors (see below), whose sum is σ = 316513723164480. Its totient is φ = 27226986938560.

The previous prime is 102101201020171. The next prime is 102101201020229. The reversal of 102101201020200 is 2020102101201.

It is an interprime number because it is at equal distance from previous prime (102101201020171) and next prime (102101201020229).

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

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, 85084333584 + ... + 85084334783.

It is an arithmetic number, because the mean of its divisors is an integer number (6594035899260).

Almost surely, 2^{102101201020200} is an apocalyptic number.

102101201020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101201020200 is an abundant number, since it is smaller than the sum of its proper divisors (214412522144280).

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

102101201020200 is a wasteful number, since it uses less digits than its factorization.

102101201020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170168668386 (or 170168668377 counting only the distinct ones).

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

Adding to 102101201020200 its reverse (2020102101201), we get a palindrome (104121303121401).

The spelling of 102101201020200 in words is "one hundred two trillion, one hundred one billion, two hundred one million, twenty thousand, two hundred".