3210111321123 has 8 divisors (see below), whose sum is σ = 4891598203648. Its totient is φ = 1834349326344.

The previous prime is 3210111321061. The next prime is 3210111321181. The reversal of 3210111321123 is 3211231110123.

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

It is not a de Polignac number, because 3210111321123 - 2²⁰ = 3210110272547 is a prime.

It is a super-2 number, since 2×3210111321123² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 152862443863 = 3210111321123 / (3 + 2 + 1 + 0 + 1 + 1 + 1 + 3 + 2 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3210111321123.

It is not an unprimeable number, because it can be changed into a prime (3210111323123) 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, 76431221911 + ... + 76431221952.

It is an arithmetic number, because the mean of its divisors is an integer number (611449775456).

Almost surely, 2^{3210111321123} is an apocalyptic number.

3210111321123 is a deficient number, since it is larger than the sum of its proper divisors (1681486882525).

3210111321123 is a wasteful number, since it uses less digits than its factorization.

3210111321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152862443873.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3210111321123 its reverse (3211231110123), we get a palindrome (6421342431246).

The spelling of 3210111321123 in words is "three trillion, two hundred ten billion, one hundred eleven million, three hundred twenty-one thousand, one hundred twenty-three".