202201112010121 has 12 divisors (see below), whose sum is σ = 237542385382020. Its totient is φ = 171599246397600.

The previous prime is 202201112010101. The next prime is 202201112010169. The reversal of 202201112010121 is 121010211102202.

It can be written as a sum of positive squares in 2 ways, for example, as 147562242150400 + 54638869859721 = 12147520^2 + 7391811^2 .

It is not a de Polignac number, because 202201112010121 - 2¹⁷ = 202201111879049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202201112010095 and 202201112010104.

It is not an unprimeable number, because it can be changed into a prime (202201112010101) 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, 20428476766 + ... + 20428486663.

It is an arithmetic number, because the mean of its divisors is an integer number (19795198781835).

Almost surely, 2^{202201112010121} is an apocalyptic number.

It is an amenable number.

202201112010121 is a deficient number, since it is larger than the sum of its proper divisors (35341273371899).

202201112010121 is a wasteful number, since it uses less digits than its factorization.

202201112010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40856963544 (or 40856963537 counting only the distinct ones).

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

Adding to 202201112010121 its reverse (121010211102202), we get a palindrome (323211323112323).

The spelling of 202201112010121 in words is "two hundred two trillion, two hundred one billion, one hundred twelve million, ten thousand, one hundred twenty-one".