22210110121 has 4 divisors (see below), whose sum is σ = 22235150592. Its totient is φ = 22185069652.

The previous prime is 22210110119. The next prime is 22210110133. The reversal of 22210110121 is 12101101222.

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 22210110121 - 2¹ = 22210110119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210110821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12518905 + ... + 12520678.

It is an arithmetic number, because the mean of its divisors is an integer number (5558787648).

Almost surely, 2^22210110121 is an apocalyptic number.

It is an amenable number.

22210110121 is a deficient number, since it is larger than the sum of its proper divisors (25040471).

22210110121 is an equidigital number, since it uses as much as digits as its factorization.

22210110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25040470.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22210110121 its reverse (12101101222), we get a palindrome (34311211343).

The spelling of 22210110121 in words is "twenty-two billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".