222214120000021 has 2 divisors, whose sum is σ = 222214120000022. Its totient is φ = 222214120000020.

The previous prime is 222214119999997. The next prime is 222214120000043. The reversal of 222214120000021 is 120000021412222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129825286928100 + 92388833071921 = 11394090^2 + 9611911^2 .

It is a cyclic number.

It is not a de Polignac number, because 222214120000021 - 2²³ = 222214111611413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222214120000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111107060000010 + 111107060000011.

It is an arithmetic number, because the mean of its divisors is an integer number (111107060000011).

Almost surely, 2^{222214120000021} is an apocalyptic number.

It is an amenable number.

222214120000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

222214120000021 is an equidigital number, since it uses as much as digits as its factorization.

222214120000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222214120000021 its reverse (120000021412222), we get a palindrome (342214141412243).

The spelling of 222214120000021 in words is "two hundred twenty-two trillion, two hundred fourteen billion, one hundred twenty million, twenty-one", and thus it is an aban number.