202201220012111 has 4 divisors (see below), whose sum is σ = 202201400158224. Its totient is φ = 202201039866000.

The previous prime is 202201220012069. The next prime is 202201220012117. The reversal of 202201220012111 is 111210022102202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202201220012111 - 2²² = 202201215817807 is a prime.

It is a super-2 number, since 2×202201220012111² (a number of 29 digits) contains 22 as substring.

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 202201220012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201220012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88378790 + ... + 90637811.

It is an arithmetic number, because the mean of its divisors is an integer number (50550350039556).

Almost surely, 2^{202201220012111} is an apocalyptic number.

202201220012111 is a deficient number, since it is larger than the sum of its proper divisors (180146113).

202201220012111 is a wasteful number, since it uses less digits than its factorization.

202201220012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180146112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202201220012111 its reverse (111210022102202), we get a palindrome (313411242114313).

The spelling of 202201220012111 in words is "two hundred two trillion, two hundred one billion, two hundred twenty million, twelve thousand, one hundred eleven".