122010222010121 has 2 divisors, whose sum is σ = 122010222010122. Its totient is φ = 122010222010120.

The previous prime is 122010222010111. The next prime is 122010222010181. The reversal of 122010222010121 is 121010222010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107109355903225 + 14900866106896 = 10349365^2 + 3860164^2 .

It is an emirp because it is prime and its reverse (121010222010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122010222010121 - 2⁶ = 122010222010057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122010222010121.

It is not a weakly prime, because it can be changed into another prime (122010222010111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005111005060 + 61005111005061.

It is an arithmetic number, because the mean of its divisors is an integer number (61005111005061).

Almost surely, 2^{122010222010121} is an apocalyptic number.

It is an amenable number.

122010222010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010222010121 is an equidigital number, since it uses as much as digits as its factorization.

122010222010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122010222010121 its reverse (121010222010221), we get a palindrome (243020444020342).

The spelling of 122010222010121 in words is "one hundred twenty-two trillion, ten billion, two hundred twenty-two million, ten thousand, one hundred twenty-one".