2212222220051 has 2 divisors, whose sum is σ = 2212222220052. Its totient is φ = 2212222220050.

The previous prime is 2212222220003. The next prime is 2212222220119. The reversal of 2212222220051 is 1500222222122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212222220051 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212222219999 and 2212222220026.

It is not a weakly prime, because it can be changed into another prime (2212222220651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106111110025 + 1106111110026.

It is an arithmetic number, because the mean of its divisors is an integer number (1106111110026).

Almost surely, 2^{2212222220051} is an apocalyptic number.

2212222220051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212222220051 is an equidigital number, since it uses as much as digits as its factorization.

2212222220051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 2212222220051 its reverse (1500222222122), we get a palindrome (3712444442173).

The spelling of 2212222220051 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty thousand, fifty-one".