122011220210993 has 2 divisors, whose sum is σ = 122011220210994. Its totient is φ = 122011220210992.

The previous prime is 122011220210989. The next prime is 122011220211017. The reversal of 122011220210993 is 399012022110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62415182507584 + 59596037703409 = 7900328^2 + 7719847^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011220210993 - 2² = 122011220210989 is a prime.

It is not a weakly prime, because it can be changed into another prime (122011220210953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005610105496 + 61005610105497.

It is an arithmetic number, because the mean of its divisors is an integer number (61005610105497).

Almost surely, 2^{122011220210993} is an apocalyptic number.

It is an amenable number.

122011220210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011220210993 is an equidigital number, since it uses as much as digits as its factorization.

122011220210993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 122011220210993 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty million, two hundred ten thousand, nine hundred ninety-three".