22110002232121 has 4 divisors (see below), whose sum is σ = 22119172704144. Its totient is φ = 22100831760100.

The previous prime is 22110002232119. The next prime is 22110002232127. The reversal of 22110002232121 is 12123220001122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22110002232121 - 2¹ = 22110002232119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110002232127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4585232395 + ... + 4585237216.

It is an arithmetic number, because the mean of its divisors is an integer number (5529793176036).

Almost surely, 2^{22110002232121} is an apocalyptic number.

It is an amenable number.

22110002232121 is a deficient number, since it is larger than the sum of its proper divisors (9170472023).

22110002232121 is an equidigital number, since it uses as much as digits as its factorization.

22110002232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170472022.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22110002232121 its reverse (12123220001122), we get a palindrome (34233222233243).

The spelling of 22110002232121 in words is "twenty-two trillion, one hundred ten billion, two million, two hundred thirty-two thousand, one hundred twenty-one".