202221110111222 has 32 divisors (see below), whose sum is σ = 307660154671584. Its totient is φ = 99676415968000.

The previous prime is 202221110111191. The next prime is 202221110111233. The reversal of 202221110111222 is 222111011122202.

It is a super-2 number, since 2×202221110111222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202221110111194 and 202221110111203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919628272 + ... + 1919733612.

It is an arithmetic number, because the mean of its divisors is an integer number (9614379833487).

Almost surely, 2^{202221110111222} is an apocalyptic number.

202221110111222 is a deficient number, since it is larger than the sum of its proper divisors (105439044560362).

202221110111222 is a wasteful number, since it uses less digits than its factorization.

202221110111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146464.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202221110111222 its reverse (222111011122202), we get a palindrome (424332121233424).

The spelling of 202221110111222 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, two hundred twenty-two".