22011000001001 has 32 divisors (see below), whose sum is σ = 24819946905600. Its totient is φ = 19345947088000.

The previous prime is 22011000000973. The next prime is 22011000001009. The reversal of 22011000001001 is 10010000011022.

It is not a de Polignac number, because 22011000001001 - 2³⁰ = 22009926259177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011000001001.

It is not an unprimeable number, because it can be changed into a prime (22011000001009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42220160 + ... + 42738318.

It is an arithmetic number, because the mean of its divisors is an integer number (775623340800).

Almost surely, 2^{22011000001001} is an apocalyptic number.

It is an amenable number.

22011000001001 is a deficient number, since it is larger than the sum of its proper divisors (2808946904599).

22011000001001 is a wasteful number, since it uses less digits than its factorization.

22011000001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519061.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 22011000001001 its reverse (10010000011022), we get a palindrome (32021000012023).

The spelling of 22011000001001 in words is "twenty-two trillion, eleven billion, one thousand, one".