202221110202122 has 32 divisors (see below), whose sum is σ = 334204841930688. Its totient is φ = 91002810400000.

The previous prime is 202221110202109. The next prime is 202221110202127. The reversal of 202221110202122 is 221202011122202.

It is a super-2 number, since 2×202221110202122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202221110202094 and 202221110202103.

It is not an unprimeable number, because it can be changed into a prime (202221110202127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32133797 + ... + 37908087.

It is an arithmetic number, because the mean of its divisors is an integer number (10443901310334).

Almost surely, 2^{202221110202122} is an apocalyptic number.

202221110202122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202221110202122 is a deficient number, since it is larger than the sum of its proper divisors (131983731728566).

202221110202122 is a wasteful number, since it uses less digits than its factorization.

202221110202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790166.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202221110202122 its reverse (221202011122202), we get a palindrome (423423121324324).

The spelling of 202221110202122 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred ten million, two hundred two thousand, one hundred twenty-two".