100332323021 has 6 divisors (see below), whose sum is σ = 116713110510. Its totient is φ = 85999133976.

The previous prime is 100332322931. The next prime is 100332323083. The reversal of 100332323021 is 120323233001.

It can be written as a sum of positive squares in only one way, i.e., 59675649796 + 40656673225 = 244286^2 + 201635^2 .

It is not a de Polignac number, because 100332323021 - 2¹⁰ = 100332321997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100332322984 and 100332323002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100332323921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1023799166 + ... + 1023799263.

It is an arithmetic number, because the mean of its divisors is an integer number (19452185085).

Almost surely, 2^100332323021 is an apocalyptic number.

It is an amenable number.

100332323021 is a deficient number, since it is larger than the sum of its proper divisors (16380787489).

100332323021 is an equidigital number, since it uses as much as digits as its factorization.

100332323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047598443 (or 2047598436 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 100332323021 its reverse (120323233001), we get a palindrome (220655556022).

The spelling of 100332323021 in words is "one hundred billion, three hundred thirty-two million, three hundred twenty-three thousand, twenty-one".