101102201999 has 4 divisors (see below), whose sum is σ = 105497949936. Its totient is φ = 96706454064.

The previous prime is 101102201987. The next prime is 101102202017. The reversal of 101102201999 is 999102201101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101102201999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102201099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197873934 + ... + 2197873979.

It is an arithmetic number, because the mean of its divisors is an integer number (26374487484).

Almost surely, 2^101102201999 is an apocalyptic number.

101102201999 is a deficient number, since it is larger than the sum of its proper divisors (4395747937).

101102201999 is an equidigital number, since it uses as much as digits as its factorization.

101102201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395747936.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 101102201999 in words is "one hundred one billion, one hundred two million, two hundred one thousand, nine hundred ninety-nine".