202031221022 has 8 divisors (see below), whose sum is σ = 312822535872. Its totient is φ = 97757042400.

The previous prime is 202031221003. The next prime is 202031221039. The reversal of 202031221022 is 220122130202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202031221022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629283979 + ... + 1629284102.

It is an arithmetic number, because the mean of its divisors is an integer number (39102816984).

Almost surely, 2^202031221022 is an apocalyptic number.

202031221022 is a deficient number, since it is larger than the sum of its proper divisors (110791314850).

202031221022 is a wasteful number, since it uses less digits than its factorization.

202031221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258568114.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202031221022 its reverse (220122130202), we get a palindrome (422153351224).

The spelling of 202031221022 in words is "two hundred two billion, thirty-one million, two hundred twenty-one thousand, twenty-two".