200202100121022 has 64 divisors (see below), whose sum is σ = 429074005489920. Its totient is φ = 62050515346944.

The previous prime is 200202100121021. The next prime is 200202100121029. The reversal of 200202100121022 is 220121001202002.

It is a junction number, because it is equal to n+sod(n) for n = 200202100120992 and 200202100121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202100121021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472555104 + ... + 472978572.

It is an arithmetic number, because the mean of its divisors is an integer number (6704281335780).

Almost surely, 2^{200202100121022} is an apocalyptic number.

200202100121022 is an abundant number, since it is smaller than the sum of its proper divisors (228871905368898).

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

200202100121022 is a wasteful number, since it uses less digits than its factorization.

200202100121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479417.

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

Adding to 200202100121022 its reverse (220121001202002), we get a palindrome (420323101323024).

The spelling of 200202100121022 in words is "two hundred trillion, two hundred two billion, one hundred million, one hundred twenty-one thousand, twenty-two".