100102021212323 has 4 divisors (see below), whose sum is σ = 107802176690208. Its totient is φ = 92401865734440.

The previous prime is 100102021212311. The next prime is 100102021212359. The reversal of 100102021212323 is 323212120201001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102021212323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100102021212295 and 100102021212304.

It is not an unprimeable number, because it can be changed into a prime (100102021212373) 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, 3850077738923 + ... + 3850077738948.

It is an arithmetic number, because the mean of its divisors is an integer number (26950544172552).

Almost surely, 2^{100102021212323} is an apocalyptic number.

100102021212323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100102021212323 is a deficient number, since it is larger than the sum of its proper divisors (7700155477885).

100102021212323 is an equidigital number, since it uses as much as digits as its factorization.

100102021212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700155477884.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100102021212323 its reverse (323212120201001), we get a palindrome (423314141413324).

The spelling of 100102021212323 in words is "one hundred trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, three hundred twenty-three".