22112121012201 has 24 divisors (see below), whose sum is σ = 34918924360320. Its totient is φ = 13372215400800.

The previous prime is 22112121012187. The next prime is 22112121012259. The reversal of 22112121012201 is 10221012121122.

22112121012201 is a `hidden beast` number, since 2 + 211 + 21 + 210 + 1 + 220 + 1 = 666.

It is not a de Polignac number, because 22112121012201 - 2¹³ = 22112121004009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112121012301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242204641 + ... + 242295918.

It is an arithmetic number, because the mean of its divisors is an integer number (1454955181680).

Almost surely, 2^{22112121012201} is an apocalyptic number.

It is an amenable number.

22112121012201 is a deficient number, since it is larger than the sum of its proper divisors (12806803348119).

22112121012201 is a wasteful number, since it uses less digits than its factorization.

22112121012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484501037 (or 484501034 counting only the distinct ones).

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

Adding to 22112121012201 its reverse (10221012121122), we get a palindrome (32333133133323).

The spelling of 22112121012201 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-one million, twelve thousand, two hundred one".