100330121123 has 4 divisors (see below), whose sum is σ = 100343626488. Its totient is φ = 100316615760.

The previous prime is 100330121119. The next prime is 100330121131. The reversal of 100330121123 is 321121033001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100330121123 - 2² = 100330121119 is a prime.

It is a super-2 number, since 2×100330121123² (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 (100330124123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6741533 + ... + 6756398.

It is an arithmetic number, because the mean of its divisors is an integer number (25085906622).

Almost surely, 2^100330121123 is an apocalyptic number.

100330121123 is a deficient number, since it is larger than the sum of its proper divisors (13505365).

100330121123 is an equidigital number, since it uses as much as digits as its factorization.

100330121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505364.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100330121123 its reverse (321121033001), we get a palindrome (421451154124).

The spelling of 100330121123 in words is "one hundred billion, three hundred thirty million, one hundred twenty-one thousand, one hundred twenty-three".