202001202121202 has 24 divisors (see below), whose sum is σ = 338806191321936. Its totient is φ = 89579247044000.

The previous prime is 202001202121189. The next prime is 202001202121217. The reversal of 202001202121202 is 202121202100202.

It is a happy number.

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, 2731037624 + ... + 2731111587.

It is an arithmetic number, because the mean of its divisors is an integer number (14116924638414).

Almost surely, 2^{202001202121202} is an apocalyptic number.

202001202121202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202001202121202 is a deficient number, since it is larger than the sum of its proper divisors (136804989200734).

202001202121202 is a wasteful number, since it uses less digits than its factorization.

202001202121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462149306 (or 5462149265 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202001202121202 its reverse (202121202100202), we get a palindrome (404122404221404).

The spelling of 202001202121202 in words is "two hundred two trillion, one billion, two hundred two million, one hundred twenty-one thousand, two hundred two".