7022056121 has 2 divisors, whose sum is σ = 7022056122. Its totient is φ = 7022056120.

The previous prime is 7022056117. The next prime is 7022056169. The reversal of 7022056121 is 1216502207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4246346896 + 2775709225 = 65164^2 + 52685^2 .

It is a cyclic number.

It is not a de Polignac number, because 7022056121 - 2² = 7022056117 is a prime.

It is not a weakly prime, because it can be changed into another prime (7022056721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3511028060 + 3511028061.

It is an arithmetic number, because the mean of its divisors is an integer number (3511028061).

Almost surely, 2^7022056121 is an apocalyptic number.

It is an amenable number.

7022056121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7022056121 is an equidigital number, since it uses as much as digits as its factorization.

7022056121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 7022056121 is about 83797.7095212035. The cubic root of 7022056121 is about 1914.9382115966.

Adding to 7022056121 its reverse (1216502207), we get a palindrome (8238558328).

The spelling of 7022056121 in words is "seven billion, twenty-two million, fifty-six thousand, one hundred twenty-one".