22022022212121 has 8 divisors (see below), whose sum is σ = 29371007278080. Its totient is φ = 14677192643792.

The previous prime is 22022022212093. The next prime is 22022022212147. The reversal of 22022022212121 is 12121222022022.

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 22022022212121 - 2²⁵ = 22021988657689 is a prime.

It is a super-2 number, since 2×22022022212121² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022022212921) 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, 1038862041 + ... + 1038883238.

It is an arithmetic number, because the mean of its divisors is an integer number (3671375909760).

Almost surely, 2^{22022022212121} is an apocalyptic number.

It is an amenable number.

22022022212121 is a deficient number, since it is larger than the sum of its proper divisors (7348985065959).

22022022212121 is a wasteful number, since it uses less digits than its factorization.

22022022212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077748815.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22022022212121 its reverse (12121222022022), we get a palindrome (34143244234143).

The spelling of 22022022212121 in words is "twenty-two trillion, twenty-two billion, twenty-two million, two hundred twelve thousand, one hundred twenty-one".