122222202101001 has 24 divisors (see below), whose sum is σ = 183102674853280. Its totient is φ = 81472185238752.

The previous prime is 122222202100993. The next prime is 122222202101137. The reversal of 122222202101001 is 100101202222221.

It is a happy number.

122222202101001 is a `hidden beast` number, since 1 + 2 + 222 + 220 + 210 + 10 + 0 + 1 = 666.

It is not a de Polignac number, because 122222202101001 - 2³ = 122222202100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222202100001) 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, 26513020 + ... + 30779613.

Almost surely, 2^{122222202101001} is an apocalyptic number.

It is an amenable number.

122222202101001 is a deficient number, since it is larger than the sum of its proper divisors (60880472752279).

122222202101001 is an frugal number, since it uses more digits than its factorization.

122222202101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57301427 (or 57301415 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122222202101001 its reverse (100101202222221), we get a palindrome (222323404323222).

The spelling of 122222202101001 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred two million, one hundred one thousand, one".