101200021321 has 16 divisors (see below), whose sum is σ = 123253530624. Its totient is φ = 81206090064.

The previous prime is 101200021301. The next prime is 101200021393. The reversal of 101200021321 is 123120002101.

It is not a de Polignac number, because 101200021321 - 2⁵ = 101200021289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101200021301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6679365 + ... + 6694498.

It is an arithmetic number, because the mean of its divisors is an integer number (7703345664).

Almost surely, 2^101200021321 is an apocalyptic number.

It is an amenable number.

101200021321 is a deficient number, since it is larger than the sum of its proper divisors (22053509303).

101200021321 is a wasteful number, since it uses less digits than its factorization.

101200021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373940.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101200021321 its reverse (123120002101), we get a palindrome (224320023422).

The spelling of 101200021321 in words is "one hundred one billion, two hundred million, twenty-one thousand, three hundred twenty-one".