202102110221200 has 120 divisors (see below), whose sum is σ = 555811125523520. Its totient is φ = 69180209395200.

The previous prime is 202102110221197. The next prime is 202102110221233. The reversal of 202102110221200 is 2122011201202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 56569971 + ... + 60036370.

Almost surely, 2^{202102110221200} is an apocalyptic number.

202102110221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102110221200 is an abundant number, since it is smaller than the sum of its proper divisors (353709015302320).

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

202102110221200 is a wasteful number, since it uses less digits than its factorization.

202102110221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116606985 (or 116606974 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202102110221200 its reverse (2122011201202), we get a palindrome (204224121422402).

The spelling of 202102110221200 in words is "two hundred two trillion, one hundred two billion, one hundred ten million, two hundred twenty-one thousand, two hundred".