22120122122001 has 24 divisors (see below), whose sum is σ = 33427524888576. Its totient is φ = 14068755866880.

The previous prime is 22120122121973. The next prime is 22120122122003. The reversal of 22120122122001 is 10022122102122.

It is a happy number.

22120122122001 is a `hidden beast` number, since 2 + 21 + 201 + 221 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 22120122122001 - 2²⁵ = 22120088567569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120122122003) 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, 139425280 + ... + 139583841.

It is an arithmetic number, because the mean of its divisors is an integer number (1392813537024).

Almost surely, 2^{22120122122001} is an apocalyptic number.

It is an amenable number.

22120122122001 is a deficient number, since it is larger than the sum of its proper divisors (11307402766575).

22120122122001 is a wasteful number, since it uses less digits than its factorization.

22120122122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279009533 (or 279009530 counting only the distinct ones).

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

Adding to 22120122122001 its reverse (10022122102122), we get a palindrome (32142244224123).

The spelling of 22120122122001 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, one".