213120110123 has 8 divisors (see below), whose sum is σ = 214903119600. Its totient is φ = 211343435488.

The previous prime is 213120110087. The next prime is 213120110143. The reversal of 213120110123 is 321011021312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213120110123 - 2³⁴ = 195940240939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213120110143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516133 + ... + 1650726.

It is an arithmetic number, because the mean of its divisors is an integer number (26862889950).

Almost surely, 2^213120110123 is an apocalyptic number.

213120110123 is a deficient number, since it is larger than the sum of its proper divisors (1783009477).

213120110123 is a wasteful number, since it uses less digits than its factorization.

213120110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167421.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213120110123 its reverse (321011021312), we get a palindrome (534131131435).

The spelling of 213120110123 in words is "two hundred thirteen billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-three".