202221211100111 has 24 divisors (see below), whose sum is σ = 235440845697744. Its totient is φ = 173182229781120.

The previous prime is 202221211100039. The next prime is 202221211100113. The reversal of 202221211100111 is 111001112122202.

It is a de Polignac number, because none of the positive numbers 2^k-202221211100111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202221211100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221211100113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712976921 + ... + 713260493.

It is an arithmetic number, because the mean of its divisors is an integer number (9810035237406).

Almost surely, 2^{202221211100111} is an apocalyptic number.

202221211100111 is a deficient number, since it is larger than the sum of its proper divisors (33219634597633).

202221211100111 is a wasteful number, since it uses less digits than its factorization.

202221211100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296151 (or 296144 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202221211100111 its reverse (111001112122202), we get a palindrome (313222323222313).

The spelling of 202221211100111 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred thousand, one hundred eleven".