22112002122001 has 16 divisors (see below), whose sum is σ = 25001420748480. Its totient is φ = 19379091602880.

The previous prime is 22112002121999. The next prime is 22112002122037. The reversal of 22112002122001 is 10022120021122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22112002122001 - 2¹ = 22112002121999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112002122071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249172351 + ... + 249261076.

It is an arithmetic number, because the mean of its divisors is an integer number (1562588796780).

Almost surely, 2^{22112002122001} is an apocalyptic number.

It is an amenable number.

22112002122001 is a deficient number, since it is larger than the sum of its proper divisors (2889418626479).

22112002122001 is a wasteful number, since it uses less digits than its factorization.

22112002122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498433584.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112002122001 its reverse (10022120021122), we get a palindrome (32134122143123).

The spelling of 22112002122001 in words is "twenty-two trillion, one hundred twelve billion, two million, one hundred twenty-two thousand, one".