202031223321102 has 128 divisors (see below), whose sum is σ = 490493161635840. Its totient is φ = 54191983080960.

The previous prime is 202031223321071. The next prime is 202031223321167. The reversal of 202031223321102 is 201123322130202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37565958 + ... + 42605910.

It is an arithmetic number, because the mean of its divisors is an integer number (3831977825280).

Almost surely, 2^{202031223321102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202031223321102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245246580817920).

202031223321102 is an abundant number, since it is smaller than the sum of its proper divisors (288461938314738).

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

202031223321102 is a wasteful number, since it uses less digits than its factorization.

202031223321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040438.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 202031223321102 its reverse (201123322130202), we get a palindrome (403154545451304).

The spelling of 202031223321102 in words is "two hundred two trillion, thirty-one billion, two hundred twenty-three million, three hundred twenty-one thousand, one hundred two".