202212212102111 has 4 divisors (see below), whose sum is σ = 202465928805672. Its totient is φ = 201958495398552.

The previous prime is 202212212102099. The next prime is 202212212102113. The reversal of 202212212102111 is 111201212212202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202212212102111 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 (202212212102113) 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, 126858350585 + ... + 126858352178.

It is an arithmetic number, because the mean of its divisors is an integer number (50616482201418).

Almost surely, 2^{202212212102111} is an apocalyptic number.

202212212102111 is a deficient number, since it is larger than the sum of its proper divisors (253716703561).

202212212102111 is an equidigital number, since it uses as much as digits as its factorization.

202212212102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253716703560.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202212212102111 its reverse (111201212212202), we get a palindrome (313413424314313).

The spelling of 202212212102111 in words is "two hundred two trillion, two hundred twelve billion, two hundred twelve million, one hundred two thousand, one hundred eleven".