100330125121 has 4 divisors (see below), whose sum is σ = 100374937600. Its totient is φ = 100285312644.

The previous prime is 100330125113. The next prime is 100330125127. The reversal of 100330125121 is 121521033001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100330125121 - 2³ = 100330125113 is a prime.

It is a super-2 number, since 2×100330125121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100330125127) 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 3 ways as a sum of consecutive naturals, for example, 22402881 + ... + 22407358.

It is an arithmetic number, because the mean of its divisors is an integer number (25093734400).

Almost surely, 2^100330125121 is an apocalyptic number.

It is an amenable number.

100330125121 is a deficient number, since it is larger than the sum of its proper divisors (44812479).

100330125121 is an equidigital number, since it uses as much as digits as its factorization.

100330125121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44812478.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 100330125121 its reverse (121521033001), we get a palindrome (221851158122).

The spelling of 100330125121 in words is "one hundred billion, three hundred thirty million, one hundred twenty-five thousand, one hundred twenty-one".