101022011002109 has 4 divisors (see below), whose sum is σ = 101022039805116. Its totient is φ = 101021982199104.

The previous prime is 101022011002009. The next prime is 101022011002117. The reversal of 101022011002109 is 901200110220101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37069954020100 + 63952056982009 = 6088510^2 + 7997003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101022011002109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022011002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8270444 + ... + 16445189.

It is an arithmetic number, because the mean of its divisors is an integer number (25255509951279).

Almost surely, 2^{101022011002109} is an apocalyptic number.

It is an amenable number.

101022011002109 is a deficient number, since it is larger than the sum of its proper divisors (28803007).

101022011002109 is an equidigital number, since it uses as much as digits as its factorization.

101022011002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28803006.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 101022011002109 in words is "one hundred one trillion, twenty-two billion, eleven million, two thousand, one hundred nine".