100130321221 has 16 divisors (see below), whose sum is σ = 120751776000. Its totient is φ = 81172003968.

The previous prime is 100130321171. The next prime is 100130321227. The reversal of 100130321221 is 122123031001.

It is a cyclic number.

It is not a de Polignac number, because 100130321221 - 2¹¹ = 100130319173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100130321195 and 100130321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100130321227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3479646 + ... + 3508303.

It is an arithmetic number, because the mean of its divisors is an integer number (7546986000).

Almost surely, 2^100130321221 is an apocalyptic number.

It is an amenable number.

100130321221 is a deficient number, since it is larger than the sum of its proper divisors (20621454779).

100130321221 is an equidigital number, since it uses as much as digits as its factorization.

100130321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988068.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100130321221 its reverse (122123031001), we get a palindrome (222253352222).

The spelling of 100130321221 in words is "one hundred billion, one hundred thirty million, three hundred twenty-one thousand, two hundred twenty-one".