22011221100001 has 32 divisors (see below), whose sum is σ = 25251715243520. Its totient is φ = 18794901920256.

The previous prime is 22011221099939. The next prime is 22011221100059. The reversal of 22011221100001 is 10000112211022.

It is not a de Polignac number, because 22011221100001 - 2⁷ = 22011221099873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011221100101) 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, 8315533660 + ... + 8315536306.

It is an arithmetic number, because the mean of its divisors is an integer number (789116101360).

Almost surely, 2^{22011221100001} is an apocalyptic number.

It is an amenable number.

22011221100001 is a deficient number, since it is larger than the sum of its proper divisors (3240494143519).

22011221100001 is a wasteful number, since it uses less digits than its factorization.

22011221100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22011221100001 its reverse (10000112211022), we get a palindrome (32011333311023).

The spelling of 22011221100001 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, one hundred thousand, one".