122210999993 has 2 divisors, whose sum is σ = 122210999994. Its totient is φ = 122210999992.

The previous prime is 122210999987. The next prime is 122211000019. The reversal of 122210999993 is 399999012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118829810089 + 3381189904 = 344717^2 + 58148^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210999993 - 2¹² = 122210995897 is a prime.

It is not a weakly prime, because it can be changed into another prime (122210999693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105499996 + 61105499997.

It is an arithmetic number, because the mean of its divisors is an integer number (61105499997).

Almost surely, 2^122210999993 is an apocalyptic number.

It is an amenable number.

122210999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210999993 is an equidigital number, since it uses as much as digits as its factorization.

122210999993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 56.

The spelling of 122210999993 in words is "one hundred twenty-two billion, two hundred ten million, nine hundred ninety-nine thousand, nine hundred ninety-three".