202112220111 has 16 divisors (see below), whose sum is σ = 285707049600. Its totient is φ = 126731474208.

The previous prime is 202112220053. The next prime is 202112220119. The reversal of 202112220111 is 111022211202.

It is not a de Polignac number, because 202112220111 - 2⁹ = 202112219599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112220119) 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, 12746856 + ... + 12762701.

It is an arithmetic number, because the mean of its divisors is an integer number (17856690600).

Almost surely, 2^202112220111 is an apocalyptic number.

202112220111 is a deficient number, since it is larger than the sum of its proper divisors (83594829489).

202112220111 is a wasteful number, since it uses less digits than its factorization.

202112220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25509718.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202112220111 its reverse (111022211202), we get a palindrome (313134431313).

The spelling of 202112220111 in words is "two hundred two billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".