7122220051 has 2 divisors, whose sum is σ = 7122220052. Its totient is φ = 7122220050.

The previous prime is 7122219971. The next prime is 7122220067. The reversal of 7122220051 is 1500222217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7122220051 - 2²¹ = 7120122899 is a prime.

It is not a weakly prime, because it can be changed into another prime (7122220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561110025 + 3561110026.

It is an arithmetic number, because the mean of its divisors is an integer number (3561110026).

Almost surely, 2^7122220051 is an apocalyptic number.

7122220051 is a deficient number, since it is larger than the sum of its proper divisors (1).

7122220051 is an equidigital number, since it uses as much as digits as its factorization.

7122220051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 7122220051 is about 84393.2464774285. The cubic root of 7122220051 is about 1924.0002725718. Note that the first 3 decimals are identical.

Adding to 7122220051 its reverse (1500222217), we get a palindrome (8622442268).

The spelling of 7122220051 in words is "seven billion, one hundred twenty-two million, two hundred twenty thousand, fifty-one".