101200021023 has 32 divisors (see below), whose sum is σ = 139693289472. Its totient is φ = 65126527200.

The previous prime is 101200021009. The next prime is 101200021033. The reversal of 101200021023 is 320120002101.

It is not a de Polignac number, because 101200021023 - 2⁸ = 101200020767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200021003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5940588 + ... + 5957598.

It is an arithmetic number, because the mean of its divisors is an integer number (4365415296).

Almost surely, 2^101200021023 is an apocalyptic number.

101200021023 is a deficient number, since it is larger than the sum of its proper divisors (38493268449).

101200021023 is a wasteful number, since it uses less digits than its factorization.

101200021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17595.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101200021023 its reverse (320120002101), we get a palindrome (421320023124).

The spelling of 101200021023 in words is "one hundred one billion, two hundred million, twenty-one thousand, twenty-three".