22100000120001 has 16 divisors (see below), whose sum is σ = 32912158417920. Its totient is φ = 14656195538640.

The previous prime is 22100000119961. The next prime is 22100000120057. The reversal of 22100000120001 is 10002100000122.

It is not a de Polignac number, because 22100000120001 - 2¹⁵ = 22100000087233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22100000120101) 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, 2142713490 + ... + 2142723803.

It is an arithmetic number, because the mean of its divisors is an integer number (2057009901120).

Almost surely, 2^{22100000120001} is an apocalyptic number.

It is an amenable number.

22100000120001 is a deficient number, since it is larger than the sum of its proper divisors (10812158297919).

22100000120001 is a wasteful number, since it uses less digits than its factorization.

22100000120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285437493 (or 4285437487 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22100000120001 its reverse (10002100000122), we get a palindrome (32102100120123).

The spelling of 22100000120001 in words is "twenty-two trillion, one hundred billion, one hundred twenty thousand, one".