22122101022201 has 12 divisors (see below), whose sum is σ = 31954196516580. Its totient is φ = 14748043996320.

The previous prime is 22122101022187. The next prime is 22122101022269. The reversal of 22122101022201 is 10222010122122.

It is a happy number.

22122101022201 is a `hidden beast` number, since 221 + 2 + 210 + 10 + 2 + 220 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15419444097600 + 6702656924601 = 3926760^2 + 2588949^2 .

It is not a de Polignac number, because 22122101022201 - 2²⁶ = 22122033913337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122101022101) 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, 5589691 + ... + 8688431.

It is an arithmetic number, because the mean of its divisors is an integer number (2662849709715).

Almost surely, 2^{22122101022201} is an apocalyptic number.

It is an amenable number.

22122101022201 is a deficient number, since it is larger than the sum of its proper divisors (9832095494379).

22122101022201 is a wasteful number, since it uses less digits than its factorization.

22122101022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891976 (or 3891973 counting only the distinct ones).

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

Adding to 22122101022201 its reverse (10222010122122), we get a palindrome (32344111144323).

The spelling of 22122101022201 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred one million, twenty-two thousand, two hundred one".