100324402121 has 4 divisors (see below), whose sum is σ = 104686332672. Its totient is φ = 95962471572.

The previous prime is 100324402049. The next prime is 100324402127. The reversal of 100324402121 is 121204423001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121204423001 = 11213 ⋅10809277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100324402121 is a prime.

It is a super-2 number, since 2×100324402121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100324402093 and 100324402102.

It is not an unprimeable number, because it can be changed into a prime (100324402127) 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, 2180965241 + ... + 2180965286.

It is an arithmetic number, because the mean of its divisors is an integer number (26171583168).

Almost surely, 2^100324402121 is an apocalyptic number.

It is an amenable number.

100324402121 is a deficient number, since it is larger than the sum of its proper divisors (4361930551).

100324402121 is an equidigital number, since it uses as much as digits as its factorization.

100324402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361930550.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100324402121 its reverse (121204423001), we get a palindrome (221528825122).

The spelling of 100324402121 in words is "one hundred billion, three hundred twenty-four million, four hundred two thousand, one hundred twenty-one".