121110106021799 has 2 divisors, whose sum is σ = 121110106021800. Its totient is φ = 121110106021798.

The previous prime is 121110106021777. The next prime is 121110106021819. The reversal of 121110106021799 is 997120601011121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121110106021799 - 2⁴⁰ = 120010594394023 is a prime.

It is a super-2 number, since 2×121110106021799² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110106021759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555053010899 + 60555053010900.

It is an arithmetic number, because the mean of its divisors is an integer number (60555053010900).

Almost surely, 2^{121110106021799} is an apocalyptic number.

121110106021799 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110106021799 is an equidigital number, since it uses as much as digits as its factorization.

121110106021799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 41.

The spelling of 121110106021799 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred six million, twenty-one thousand, seven hundred ninety-nine".