101030201999 has 2 divisors, whose sum is σ = 101030202000. Its totient is φ = 101030201998.

The previous prime is 101030201981. The next prime is 101030202019. The reversal of 101030201999 is 999102030101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101030201999 - 2⁸ = 101030201743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101030201939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515100999 + 50515101000.

It is an arithmetic number, because the mean of its divisors is an integer number (50515101000).

Almost surely, 2^101030201999 is an apocalyptic number.

101030201999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101030201999 is an equidigital number, since it uses as much as digits as its factorization.

101030201999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The spelling of 101030201999 in words is "one hundred one billion, thirty million, two hundred one thousand, nine hundred ninety-nine".