101012999 has 2 divisors, whose sum is σ = 101013000. Its totient is φ = 101012998.

The previous prime is 101012993. The next prime is 101013013. The reversal of 101012999 is 999210101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101012999 - 2²⁴ = 84235783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506499 + 50506500.

It is an arithmetic number, because the mean of its divisors is an integer number (50506500).

Almost surely, 2^101012999 is an apocalyptic number.

101012999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012999 is an equidigital number, since it uses as much as digits as its factorization.

101012999 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 square root of 101012999 is about 10050.5223247352. The cubic root of 101012999 is about 465.7209289552.

The spelling of 101012999 in words is "one hundred one million, twelve thousand, nine hundred ninety-nine".