22221012201201 has 24 divisors (see below), whose sum is σ = 35016491712384. Its totient is φ = 13466678816160.

The previous prime is 22221012201163. The next prime is 22221012201253. The reversal of 22221012201201 is 10210221012222.

It is a happy number.

22221012201201 is a `hidden beast` number, since 2 + 222 + 101 + 220 + 120 + 1 = 666.

It is not a de Polignac number, because 22221012201201 - 2¹⁷ = 22221012070129 is a prime.

It is a super-2 number, since 2×22221012201201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221012201281) 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, 2777406 + ... + 7221911.

It is an arithmetic number, because the mean of its divisors is an integer number (1459020488016).

Almost surely, 2^{22221012201201} is an apocalyptic number.

It is an amenable number.

22221012201201 is a deficient number, since it is larger than the sum of its proper divisors (12795479511183).

22221012201201 is a wasteful number, since it uses less digits than its factorization.

22221012201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021781 (or 10021778 counting only the distinct ones).

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

Adding to 22221012201201 its reverse (10210221012222), we get a palindrome (32431233213423).

The spelling of 22221012201201 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, two hundred one thousand, two hundred one".