202112120111 has 8 divisors (see below), whose sum is σ = 221281930704. Its totient is φ = 183074973120.

The previous prime is 202112120101. The next prime is 202112120117. The reversal of 202112120111 is 111021211202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202112120111 - 2¹⁴ = 202112103727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112120117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33162710 + ... + 33168803.

It is an arithmetic number, because the mean of its divisors is an integer number (27660241338).

Almost surely, 2^202112120111 is an apocalyptic number.

202112120111 is a deficient number, since it is larger than the sum of its proper divisors (19169810593).

202112120111 is a wasteful number, since it uses less digits than its factorization.

202112120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66331801.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202112120111 its reverse (111021211202), we get a palindrome (313133331313).

It can be divided in two parts, 202112 and 120111, that added together give a palindrome (322223).

The spelling of 202112120111 in words is "two hundred two billion, one hundred twelve million, one hundred twenty thousand, one hundred eleven".