22014255121 has 12 divisors (see below), whose sum is σ = 23216729508. Its totient is φ = 20870710784.

The previous prime is 22014255023. The next prime is 22014255143. The reversal of 22014255121 is 12155241022.

It can be written as a sum of positive squares in 2 ways, for example, as 5760810000 + 16253445121 = 75900^2 + 127489^2 .

It is not a de Polignac number, because 22014255121 - 2²⁵ = 21980700689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22014255161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124360 + ... + 243913.

It is an arithmetic number, because the mean of its divisors is an integer number (1934727459).

Almost surely, 2^22014255121 is an apocalyptic number.

It is an amenable number.

22014255121 is a deficient number, since it is larger than the sum of its proper divisors (1202474387).

22014255121 is a wasteful number, since it uses less digits than its factorization.

22014255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368432 (or 368409 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 22014255121 its reverse (12155241022), we get a palindrome (34169496143).

The spelling of 22014255121 in words is "twenty-two billion, fourteen million, two hundred fifty-five thousand, one hundred twenty-one".