22101020202001 has 16 divisors (see below), whose sum is σ = 25586847417600. Its totient is φ = 18915990749568.

The previous prime is 22101020201993. The next prime is 22101020202007. The reversal of 22101020202001 is 10020202010122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22101020202001 - 2³ = 22101020201993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101020202007) 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, 951880036 + ... + 951903253.

It is an arithmetic number, because the mean of its divisors is an integer number (1599177963600).

Almost surely, 2^{22101020202001} is an apocalyptic number.

It is an amenable number.

22101020202001 is a deficient number, since it is larger than the sum of its proper divisors (3485827215599).

22101020202001 is a wasteful number, since it uses less digits than its factorization.

22101020202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903783368.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22101020202001 its reverse (10020202010122), we get a palindrome (32121222212123).

The spelling of 22101020202001 in words is "twenty-two trillion, one hundred one billion, twenty million, two hundred two thousand, one".