202021221202022 has 32 divisors (see below), whose sum is σ = 329338188748800. Its totient is φ = 92588336366400.

The previous prime is 202021221201977. The next prime is 202021221202081. The reversal of 202021221202022 is 220202122120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021221201985 and 202021221202003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11865647 + ... + 23341722.

It is an arithmetic number, because the mean of its divisors is an integer number (10291818398400).

Almost surely, 2^{202021221202022} is an apocalyptic number.

202021221202022 is a deficient number, since it is larger than the sum of its proper divisors (127316967546778).

202021221202022 is a wasteful number, since it uses less digits than its factorization.

202021221202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35212292.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202021221202022 its reverse (220202122120202), we get a palindrome (422223343322224).

It can be divided in two parts, 20202122120202 and 2, that multiplied together give a palindrome (40404244240404).

The spelling of 202021221202022 in words is "two hundred two trillion, twenty-one billion, two hundred twenty-one million, two hundred two thousand, twenty-two".