22100221121001 has 8 divisors (see below), whose sum is σ = 29473297131744. Its totient is φ = 14730312928800.

The previous prime is 22100221120963. The next prime is 22100221121051. The reversal of 22100221121001 is 10012112200122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22100221121001 - 2²⁷ = 22100086903273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22100221121051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791938356 + ... + 791966261.

It is an arithmetic number, because the mean of its divisors is an integer number (3684162141468).

Almost surely, 2^{22100221121001} is an apocalyptic number.

It is an amenable number.

22100221121001 is a deficient number, since it is larger than the sum of its proper divisors (7373076010743).

22100221121001 is a wasteful number, since it uses less digits than its factorization.

22100221121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583909271.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22100221121001 its reverse (10012112200122), we get a palindrome (32112333321123).

The spelling of 22100221121001 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, one".