202210112011221 has 24 divisors (see below), whose sum is σ = 309943262909280. Its totient is φ = 131671700837712.

The previous prime is 202210112011169. The next prime is 202210112011231. The reversal of 202210112011221 is 122110211012202.

202210112011221 is a `hidden beast` number, since 20 + 2 + 210 + 11 + 201 + 1 + 221 = 666.

It is not a de Polignac number, because 202210112011221 - 2¹⁴ = 202210111994837 is a prime.

It is a super-3 number, since 3×202210112011221³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202210112011194 and 202210112011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210112011231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9676040466 + ... + 9676061363.

It is an arithmetic number, because the mean of its divisors is an integer number (12914302621220).

Almost surely, 2^{202210112011221} is an apocalyptic number.

It is an amenable number.

202210112011221 is a deficient number, since it is larger than the sum of its proper divisors (107733150898059).

202210112011221 is an equidigital number, since it uses as much as digits as its factorization.

202210112011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19352101887 (or 19352101875 counting only the distinct ones).

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

Adding to 202210112011221 its reverse (122110211012202), we get a palindrome (324320323023423).

The spelling of 202210112011221 in words is "two hundred two trillion, two hundred ten billion, one hundred twelve million, eleven thousand, two hundred twenty-one".