3121002122 has 8 divisors (see below), whose sum is σ = 5350289376. Its totient is φ = 1337572332.

The previous prime is 3121002121. The next prime is 3121002151. The reversal of 3121002122 is 2212001213.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 222928723 = 3121002122 / (3 + 1 + 2 + 1 + 0 + 0 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 3121002097 and 3121002106.

It is not an unprimeable number, because it can be changed into a prime (3121002121) 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, 111464348 + ... + 111464375.

It is an arithmetic number, because the mean of its divisors is an integer number (668786172).

Almost surely, 2^3121002122 is an apocalyptic number.

3121002122 is a deficient number, since it is larger than the sum of its proper divisors (2229287254).

3121002122 is a wasteful number, since it uses less digits than its factorization.

3121002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222928732.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3121002122 is about 55865.9298857542. The cubic root of 3121002122 is about 1461.3851435190.

Adding to 3121002122 its reverse (2212001213), we get a palindrome (5333003335).

Subtracting from 3121002122 its reverse (2212001213), we obtain a palindrome (909000909).

The spelling of 3121002122 in words is "three billion, one hundred twenty-one million, two thousand, one hundred twenty-two".