202211020112121 has 48 divisors (see below), whose sum is σ = 316227283669440. Its totient is φ = 124078605425280.

The previous prime is 202211020112051. The next prime is 202211020112173. The reversal of 202211020112121 is 121211020112202.

202211020112121 is a `hidden beast` number, since 20 + 221 + 10 + 201 + 1 + 212 + 1 = 666.

It is not a de Polignac number, because 202211020112121 - 2¹⁰ = 202211020111097 is a prime.

It is a super-2 number, since 2×202211020112121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202211020112094 and 202211020112103.

It is not an unprimeable number, because it can be changed into a prime (202211020102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19075450 + ... + 27718131.

It is an arithmetic number, because the mean of its divisors is an integer number (6588068409780).

Almost surely, 2^{202211020112121} is an apocalyptic number.

It is an amenable number.

202211020112121 is a deficient number, since it is larger than the sum of its proper divisors (114016263557319).

202211020112121 is a wasteful number, since it uses less digits than its factorization.

202211020112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46794326 (or 46794323 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202211020112121 its reverse (121211020112202), we get a palindrome (323422040224323).

The spelling of 202211020112121 in words is "two hundred two trillion, two hundred eleven billion, twenty million, one hundred twelve thousand, one hundred twenty-one".