100010231221 has 8 divisors (see below), whose sum is σ = 103254223104. Its totient is φ = 96767355360.

The previous prime is 100010231143. The next prime is 100010231231. The reversal of 100010231221 is 122132010001.

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 100010231221 - 2⁷ = 100010231093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94936 + ... + 457201.

It is an arithmetic number, because the mean of its divisors is an integer number (12906777888).

Almost surely, 2^100010231221 is an apocalyptic number.

It is an amenable number.

100010231221 is a deficient number, since it is larger than the sum of its proper divisors (3243991883).

100010231221 is an equidigital number, since it uses as much as digits as its factorization.

100010231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558011.

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

Adding to 100010231221 its reverse (122132010001), we get a palindrome (222142241222).

The spelling of 100010231221 in words is "one hundred billion, ten million, two hundred thirty-one thousand, two hundred twenty-one".