101002999991 has 2 divisors, whose sum is σ = 101002999992. Its totient is φ = 101002999990.

The previous prime is 101002999931. The next prime is 101003000039. The reversal of 101002999991 is 199999200101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101002999991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101002999921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501499995 + 50501499996.

It is an arithmetic number, because the mean of its divisors is an integer number (50501499996).

Almost surely, 2^101002999991 is an apocalyptic number.

101002999991 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002999991 is an equidigital number, since it uses as much as digits as its factorization.

101002999991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 50.

The spelling of 101002999991 in words is "one hundred one billion, two million, nine hundred ninety-nine thousand, nine hundred ninety-one".