202112210102011 has 4 divisors (see below), whose sum is σ = 220486047384024. Its totient is φ = 183738372820000.

The previous prime is 202112210101969. The next prime is 202112210102029. The reversal of 202112210102011 is 110201012211202.

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 202112210102011 - 2²⁵ = 202112176547579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112210102071) 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, 9186918640990 + ... + 9186918641011.

It is an arithmetic number, because the mean of its divisors is an integer number (55121511846006).

Almost surely, 2^{202112210102011} is an apocalyptic number.

202112210102011 is a deficient number, since it is larger than the sum of its proper divisors (18373837282013).

202112210102011 is a wasteful number, since it uses less digits than its factorization.

202112210102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373837282012.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202112210102011 its reverse (110201012211202), we get a palindrome (312313222313213).

The spelling of 202112210102011 in words is "two hundred two trillion, one hundred twelve billion, two hundred ten million, one hundred two thousand, eleven".