101200030321 has 8 divisors (see below), whose sum is σ = 108988122600. Its totient is φ = 93412434432.

The previous prime is 101200030313. The next prime is 101200030331. The reversal of 101200030321 is 123030002101.

It can be written as a sum of positive squares in 4 ways, for example, as 2075804721 + 99124225600 = 45561^2 + 314840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101200030321 - 2³ = 101200030313 is a prime.

It is a super-2 number, since 2×101200030321² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101200030331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373155 + ... + 584503.

It is an arithmetic number, because the mean of its divisors is an integer number (13623515325).

Almost surely, 2^101200030321 is an apocalyptic number.

It is an amenable number.

101200030321 is a deficient number, since it is larger than the sum of its proper divisors (7788092279).

101200030321 is a wasteful number, since it uses less digits than its factorization.

101200030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248195.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 101200030321 its reverse (123030002101), we get a palindrome (224230032422).

The spelling of 101200030321 in words is "one hundred one billion, two hundred million, thirty thousand, three hundred twenty-one".