100030320121 has 8 divisors (see below), whose sum is σ = 100102681224. Its totient is φ = 99957989760.

The previous prime is 100030320077. The next prime is 100030320133. The reversal of 100030320121 is 121023030001.

It can be written as a sum of positive squares in 4 ways, for example, as 41233769721 + 58796550400 = 203061^2 + 242480^2 .

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 100030320121 - 2³¹ = 97882836473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100030320161) 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, 13303455 + ... + 13310971.

It is an arithmetic number, because the mean of its divisors is an integer number (12512835153).

Almost surely, 2^100030320121 is an apocalyptic number.

It is an amenable number.

100030320121 is a deficient number, since it is larger than the sum of its proper divisors (72361103).

100030320121 is an equidigital number, since it uses as much as digits as its factorization.

100030320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

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

Adding to 100030320121 its reverse (121023030001), we get a palindrome (221053350122).

The spelling of 100030320121 in words is "one hundred billion, thirty million, three hundred twenty thousand, one hundred twenty-one".