202112021210111 has 8 divisors (see below), whose sum is σ = 209542819574400. Its totient is φ = 194738163829920.

The previous prime is 202112021210053. The next prime is 202112021210123. The reversal of 202112021210111 is 111012120211202.

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 202112021210111 - 2²² = 202112017015807 is a prime.

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 202112021210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112021219111) 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, 14235238796 + ... + 14235252993.

It is an arithmetic number, because the mean of its divisors is an integer number (26192852446800).

Almost surely, 2^{202112021210111} is an apocalyptic number.

202112021210111 is a deficient number, since it is larger than the sum of its proper divisors (7430798364289).

202112021210111 is a wasteful number, since it uses less digits than its factorization.

202112021210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28470492049.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202112021210111 its reverse (111012120211202), we get a palindrome (313124141421313).

The spelling of 202112021210111 in words is "two hundred two trillion, one hundred twelve billion, twenty-one million, two hundred ten thousand, one hundred eleven".