2110121200139 has 2 divisors, whose sum is σ = 2110121200140. Its totient is φ = 2110121200138.

The previous prime is 2110121200067. The next prime is 2110121200189. The reversal of 2110121200139 is 9310021210112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2110121200139 - 2¹⁶ = 2110121134603 is a prime.

It is a super-2 number, since 2×2110121200139² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2110121200189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055060600069 + 1055060600070.

It is an arithmetic number, because the mean of its divisors is an integer number (1055060600070).

Almost surely, 2^{2110121200139} is an apocalyptic number.

2110121200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110121200139 is an equidigital number, since it uses as much as digits as its factorization.

2110121200139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 2110121200139 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred thousand, one hundred thirty-nine".