222201122120051 has 2 divisors, whose sum is σ = 222201122120052. Its totient is φ = 222201122120050.

The previous prime is 222201122119937. The next prime is 222201122120053. The reversal of 222201122120051 is 150021221102222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222201122120051 - 2³⁰ = 222200048378227 is a prime.

Together with 222201122120053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222201122119999 and 222201122120026.

It is not a weakly prime, because it can be changed into another prime (222201122120053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100561060025 + 111100561060026.

It is an arithmetic number, because the mean of its divisors is an integer number (111100561060026).

Almost surely, 2^{222201122120051} is an apocalyptic number.

222201122120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201122120051 is an equidigital number, since it uses as much as digits as its factorization.

222201122120051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 222201122120051 its reverse (150021221102222), we get a palindrome (372222343222273).

The spelling of 222201122120051 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty thousand, fifty-one".