100121111005739 has 2 divisors, whose sum is σ = 100121111005740. Its totient is φ = 100121111005738.

The previous prime is 100121111005717. The next prime is 100121111005753. The reversal of 100121111005739 is 937500111121001.

It is a strong prime.

It is an emirp because it is prime and its reverse (937500111121001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100121111005739 - 2²⁴ = 100121094228523 is a prime.

It is a super-2 number, since 2×100121111005739² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100121111085739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060555502869 + 50060555502870.

It is an arithmetic number, because the mean of its divisors is an integer number (50060555502870).

Almost surely, 2^{100121111005739} is an apocalyptic number.

100121111005739 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121111005739 is an equidigital number, since it uses as much as digits as its factorization.

100121111005739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 32.

The spelling of 100121111005739 in words is "one hundred trillion, one hundred twenty-one billion, one hundred eleven million, five thousand, seven hundred thirty-nine".