122056221211 has 2 divisors, whose sum is σ = 122056221212. Its totient is φ = 122056221210.

The previous prime is 122056221191. The next prime is 122056221233. The reversal of 122056221211 is 112122650221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122056221211 - 2¹⁹ = 122055696923 is a prime.

It is a super-2 number, since 2×122056221211² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122056221241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61028110605 + 61028110606.

It is an arithmetic number, because the mean of its divisors is an integer number (61028110606).

Almost surely, 2^122056221211 is an apocalyptic number.

122056221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122056221211 is an equidigital number, since it uses as much as digits as its factorization.

122056221211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 122056221211 its reverse (112122650221), we get a palindrome (234178871432).

The spelling of 122056221211 in words is "one hundred twenty-two billion, fifty-six million, two hundred twenty-one thousand, two hundred eleven".