202201200112121 has 8 divisors (see below), whose sum is σ = 235803148819200. Its totient is φ = 173315314381524.

The previous prime is 202201200112117. The next prime is 202201200112129. The reversal of 202201200112121 is 121211002102202.

It is not a de Polignac number, because 202201200112121 - 2² = 202201200112117 is a prime.

It is a super-2 number, since 2×202201200112121² (a number of 29 digits) contains 22 as substring.

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 202201200112121.

It is not an unprimeable number, because it can be changed into a prime (202201200112129) 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, 294753935681 + ... + 294753936366.

It is an arithmetic number, because the mean of its divisors is an integer number (29475393602400).

Almost surely, 2^{202201200112121} is an apocalyptic number.

It is an amenable number.

202201200112121 is a deficient number, since it is larger than the sum of its proper divisors (33601948707079).

202201200112121 is an frugal number, since it uses more digits than its factorization.

202201200112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589507872068 (or 589507872054 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202201200112121 its reverse (121211002102202), we get a palindrome (323412202214323).

The spelling of 202201200112121 in words is "two hundred two trillion, two hundred one billion, two hundred million, one hundred twelve thousand, one hundred twenty-one".