3121113221002 has 8 divisors (see below), whose sum is σ = 5350479807456. Its totient is φ = 1337619951852.

The previous prime is 3121113220997. The next prime is 3121113221003. The reversal of 3121113221002 is 2001223111213.

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

It is not an unprimeable number, because it can be changed into a prime (3121113221003) 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, 111468329308 + ... + 111468329335.

It is an arithmetic number, because the mean of its divisors is an integer number (668809975932).

Almost surely, 2^{3121113221002} is an apocalyptic number.

3121113221002 is a deficient number, since it is larger than the sum of its proper divisors (2229366586454).

3121113221002 is a wasteful number, since it uses less digits than its factorization.

3121113221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222936658652.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3121113221002 its reverse (2001223111213), we get a palindrome (5122336332215).

The spelling of 3121113221002 in words is "three trillion, one hundred twenty-one billion, one hundred thirteen million, two hundred twenty-one thousand, two".