122021110109999 has 2 divisors, whose sum is σ = 122021110110000. Its totient is φ = 122021110109998.

The previous prime is 122021110109909. The next prime is 122021110110023. The reversal of 122021110109999 is 999901011120221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122021110109999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122021110109909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010555054999 + 61010555055000.

It is an arithmetic number, because the mean of its divisors is an integer number (61010555055000).

Almost surely, 2^{122021110109999} is an apocalyptic number.

122021110109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021110109999 is an equidigital number, since it uses as much as digits as its factorization.

122021110109999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 122021110109999 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred ten million, one hundred nine thousand, nine hundred ninety-nine".