202221012202 has 16 divisors (see below), whose sum is σ = 331581073824. Its totient is φ = 91731430000.

The previous prime is 202221012193. The next prime is 202221012239. The reversal of 202221012202 is 202210122202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349549 + ... + 9371152.

It is an arithmetic number, because the mean of its divisors is an integer number (20723817114).

Almost surely, 2^202221012202 is an apocalyptic number.

202221012202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202221012202 is a deficient number, since it is larger than the sum of its proper divisors (129360061622).

202221012202 is a wasteful number, since it uses less digits than its factorization.

202221012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18721205.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202221012202 its reverse (202210122202), we get a palindrome (404431134404).

Subtracting from 202221012202 its reverse (202210122202), we obtain a square (10890000 = 3300²).

The spelling of 202221012202 in words is "two hundred two billion, two hundred twenty-one million, twelve thousand, two hundred two".