102202001220120 has 64 divisors (see below), whose sum is σ = 319936699480320. Its totient is φ = 26068916252544.

The previous prime is 102202001220113. The next prime is 102202001220127. The reversal of 102202001220120 is 21022100202201.

It is an interprime number because it is at equal distance from previous prime (102202001220113) and next prime (102202001220127).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102202001220120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202001220127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18514852534 + ... + 18514858053.

It is an arithmetic number, because the mean of its divisors is an integer number (4999010929380).

Almost surely, 2^{102202001220120} is an apocalyptic number.

102202001220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202001220120 is an abundant number, since it is smaller than the sum of its proper divisors (217734698260200).

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

102202001220120 is a wasteful number, since it uses less digits than its factorization.

102202001220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37029710624 (or 37029710620 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102202001220120 its reverse (21022100202201), we get a palindrome (123224101422321).

The spelling of 102202001220120 in words is "one hundred two trillion, two hundred two billion, one million, two hundred twenty thousand, one hundred twenty".