101100001023 has 36 divisors (see below), whose sum is σ = 171172369368. Its totient is φ = 57330393120.

The previous prime is 101100000961. The next prime is 101100001027. The reversal of 101100001023 is 320100001101.

It is not a de Polignac number, because 101100001023 - 2¹² = 101099996927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101100000996 and 101100001014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100001027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 817236 + ... + 932777.

It is an arithmetic number, because the mean of its divisors is an integer number (4754788038).

Almost surely, 2^101100001023 is an apocalyptic number.

101100001023 is a deficient number, since it is larger than the sum of its proper divisors (70072368345).

101100001023 is a wasteful number, since it uses less digits than its factorization.

101100001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750164 (or 1750154 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 101100001023 its reverse (320100001101), we get a palindrome (421200002124).

The spelling of 101100001023 in words is "one hundred one billion, one hundred million, one thousand, twenty-three".