3221001310123 has 4 divisors (see below), whose sum is σ = 3226255799008. Its totient is φ = 3215746821240.

The previous prime is 3221001310103. The next prime is 3221001310127. The reversal of 3221001310123 is 3210131001223.

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-3221001310123 is a prime.

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 3221001310123.

It is not an unprimeable number, because it can be changed into a prime (3221001310127) 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, 2627243523 + ... + 2627244748.

It is an arithmetic number, because the mean of its divisors is an integer number (806563949752).

Almost surely, 2^{3221001310123} is an apocalyptic number.

3221001310123 is a deficient number, since it is larger than the sum of its proper divisors (5254488885).

3221001310123 is an equidigital number, since it uses as much as digits as its factorization.

3221001310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254488884.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3221001310123 its reverse (3210131001223), we get a palindrome (6431132311346).

The spelling of 3221001310123 in words is "three trillion, two hundred twenty-one billion, one million, three hundred ten thousand, one hundred twenty-three".