100121023329 has 4 divisors (see below), whose sum is σ = 133494697776. Its totient is φ = 66747348884.

The previous prime is 100121023319. The next prime is 100121023357. The reversal of 100121023329 is 923320121001.

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 100121023329 - 2⁵ = 100121023297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100121023299 and 100121023308.

It is not an unprimeable number, because it can be changed into a prime (100121023309) 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, 16686837219 + ... + 16686837224.

It is an arithmetic number, because the mean of its divisors is an integer number (33373674444).

Almost surely, 2^100121023329 is an apocalyptic number.

It is an amenable number.

100121023329 is a deficient number, since it is larger than the sum of its proper divisors (33373674447).

100121023329 is an equidigital number, since it uses as much as digits as its factorization.

100121023329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33373674446.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 100121023329 in words is "one hundred billion, one hundred twenty-one million, twenty-three thousand, three hundred twenty-nine".