100000120100999 has 2 divisors, whose sum is σ = 100000120101000. Its totient is φ = 100000120100998.

The previous prime is 100000120100987. The next prime is 100000120101029. The reversal of 100000120100999 is 999001021000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100000120100999 - 2¹⁶ = 100000120035463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000120160999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000060050499 + 50000060050500.

It is an arithmetic number, because the mean of its divisors is an integer number (50000060050500).

Almost surely, 2^{100000120100999} is an apocalyptic number.

100000120100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000120100999 is an equidigital number, since it uses as much as digits as its factorization.

100000120100999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 100000120100999 in words is "one hundred trillion, one hundred twenty million, one hundred thousand, nine hundred ninety-nine".