101202100999 has 4 divisors (see below), whose sum is σ = 101998968064. Its totient is φ = 100405233936.

The previous prime is 101202100997. The next prime is 101202101017. The reversal of 101202100999 is 999001202101.

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

It is a cyclic number.

It is not a de Polignac number, because 101202100999 - 2¹ = 101202100997 is a prime.

It is a super-2 number, since 2×101202100999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202100997) 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, 398433342 + ... + 398433595.

It is an arithmetic number, because the mean of its divisors is an integer number (25499742016).

Almost surely, 2^101202100999 is an apocalyptic number.

101202100999 is a deficient number, since it is larger than the sum of its proper divisors (796867065).

101202100999 is an equidigital number, since it uses as much as digits as its factorization.

101202100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796867064.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 101202100999 in words is "one hundred one billion, two hundred two million, one hundred thousand, nine hundred ninety-nine".