100212321023 has 4 divisors (see below), whose sum is σ = 100443758688. Its totient is φ = 99980883360.

The previous prime is 100212320993. The next prime is 100212321043. The reversal of 100212321023 is 320123212001.

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 100212321023 - 2¹⁶ = 100212255487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212320992 and 100212321010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212321043) 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, 115718183 + ... + 115719048.

It is an arithmetic number, because the mean of its divisors is an integer number (25110939672).

Almost surely, 2^100212321023 is an apocalyptic number.

100212321023 is a deficient number, since it is larger than the sum of its proper divisors (231437665).

100212321023 is an equidigital number, since it uses as much as digits as its factorization.

100212321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231437664.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100212321023 its reverse (320123212001), we get a palindrome (420335533024).

The spelling of 100212321023 in words is "one hundred billion, two hundred twelve million, three hundred twenty-one thousand, twenty-three".