202212221111121 has 12 divisors (see below), whose sum is σ = 291951372492528. Its totient is φ = 124438289914224.

The previous prime is 202212221111107. The next prime is 202212221111129. The reversal of 202212221111121 is 121111122212202.

It is not a de Polignac number, because 202212221111121 - 2⁶ = 202212221111057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202212221111129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199420335895 + ... + 199420336908.

It is an arithmetic number, because the mean of its divisors is an integer number (24329281041044).

Almost surely, 2^{202212221111121} is an apocalyptic number.

It is an amenable number.

202212221111121 is a deficient number, since it is larger than the sum of its proper divisors (89739151381407).

202212221111121 is a wasteful number, since it uses less digits than its factorization.

202212221111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398840672832 (or 398840672819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 202212221111121 its reverse (121111122212202), we get a palindrome (323323343323323).

The spelling of 202212221111121 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-one".