202101021112203 has 24 divisors (see below), whose sum is σ = 311731645480320. Its totient is φ = 125891626049280.

The previous prime is 202101021112139. The next prime is 202101021112217. The reversal of 202101021112203 is 302211120101202.

202101021112203 is a `hidden beast` number, since 20 + 210 + 1 + 0 + 211 + 1 + 220 + 3 = 666.

It is not a de Polignac number, because 202101021112203 - 2⁶ = 202101021112139 is a prime.

It is a super-2 number, since 2×202101021112203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202101021112253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12489240526 + ... + 12489256707.

It is an arithmetic number, because the mean of its divisors is an integer number (12988818561680).

Almost surely, 2^{202101021112203} is an apocalyptic number.

202101021112203 is a deficient number, since it is larger than the sum of its proper divisors (109630624368117).

202101021112203 is a wasteful number, since it uses less digits than its factorization.

202101021112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24978497299 (or 24978497296 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 202101021112203 its reverse (302211120101202), we get a palindrome (504312141213405).

The spelling of 202101021112203 in words is "two hundred two trillion, one hundred one billion, twenty-one million, one hundred twelve thousand, two hundred three".