22222102001021 has 8 divisors (see below), whose sum is σ = 24219825722400. Its totient is φ = 20265568459632.

The previous prime is 22222102000933. The next prime is 22222102001027. The reversal of 22222102001021 is 12010020122222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22222102001021 - 2¹⁴ = 22222101984637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222102001027) 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, 10297543871 + ... + 10297546028.

It is an arithmetic number, because the mean of its divisors is an integer number (3027478215300).

Almost surely, 2^{22222102001021} is an apocalyptic number.

It is an amenable number.

22222102001021 is a deficient number, since it is larger than the sum of its proper divisors (1997723721379).

22222102001021 is a wasteful number, since it uses less digits than its factorization.

22222102001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20595089995.

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

Adding to 22222102001021 its reverse (12010020122222), we get a palindrome (34232122123243).

The spelling of 22222102001021 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred two million, one thousand, twenty-one".