10101001109 has 4 divisors (see below), whose sum is σ = 10107383616. Its totient is φ = 10094618604.

The previous prime is 10101001037. The next prime is 10101001123. The reversal of 10101001109 is 90110010101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90110010101 = 103 ⋅874854467.

It is a cyclic number.

It is not a de Polignac number, because 10101001109 - 2²⁴ = 10084223893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101001093 and 10101001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101001189) 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, 3188879 + ... + 3192044.

It is an arithmetic number, because the mean of its divisors is an integer number (2526845904).

Almost surely, 2^10101001109 is an apocalyptic number.

It is an amenable number.

10101001109 is a deficient number, since it is larger than the sum of its proper divisors (6382507).

10101001109 is an equidigital number, since it uses as much as digits as its factorization.

10101001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382506.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 10101001109 in words is "ten billion, one hundred one million, one thousand, one hundred nine".