22112120002121 has 8 divisors (see below), whose sum is σ = 22634744450304. Its totient is φ = 21591668629440.

The previous prime is 22112120002099. The next prime is 22112120002123. The reversal of 22112120002121 is 12120002121122.

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 22112120002121 - 2³⁰ = 22111046260297 is a prime.

It is a super-2 number, since 2×22112120002121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112120002121.

It is not an unprimeable number, because it can be changed into a prime (22112120002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543248285 + ... + 543288986.

It is an arithmetic number, because the mean of its divisors is an integer number (2829343056288).

Almost surely, 2^{22112120002121} is an apocalyptic number.

It is an amenable number.

22112120002121 is a deficient number, since it is larger than the sum of its proper divisors (522624448183).

22112120002121 is a wasteful number, since it uses less digits than its factorization.

22112120002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086537751.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112120002121 its reverse (12120002121122), we get a palindrome (34232122123243).

The spelling of 22112120002121 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty million, two thousand, one hundred twenty-one".