22101202222001 has 16 divisors (see below), whose sum is σ = 26590786124160. Its totient is φ = 17944901170560.

The previous prime is 22101202221961. The next prime is 22101202222007. The reversal of 22101202222001 is 10022220210122.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22101202222001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101202222007) 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, 7744430 + ... + 10206791.

It is an arithmetic number, because the mean of its divisors is an integer number (1661924132760).

Almost surely, 2^{22101202222001} is an apocalyptic number.

It is an amenable number.

22101202222001 is a deficient number, since it is larger than the sum of its proper divisors (4489583902159).

22101202222001 is a wasteful number, since it uses less digits than its factorization.

22101202222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960504.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22101202222001 its reverse (10022220210122), we get a palindrome (32123422432123).

The spelling of 22101202222001 in words is "twenty-two trillion, one hundred one billion, two hundred two million, two hundred twenty-two thousand, one".