202112200111 has 4 divisors (see below), whose sum is σ = 202251493224. Its totient is φ = 201972907000.

The previous prime is 202112200097. The next prime is 202112200117. The reversal of 202112200111 is 111002211202.

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 202112200111 - 2⁷ = 202112199983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202112200091 and 202112200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112200117) 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, 69644380 + ... + 69647281.

It is an arithmetic number, because the mean of its divisors is an integer number (50562873306).

Almost surely, 2^202112200111 is an apocalyptic number.

202112200111 is a deficient number, since it is larger than the sum of its proper divisors (139293113).

202112200111 is a wasteful number, since it uses less digits than its factorization.

202112200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139293112.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202112200111 its reverse (111002211202), we get a palindrome (313114411313).

The spelling of 202112200111 in words is "two hundred two billion, one hundred twelve million, two hundred thousand, one hundred eleven".