3121122141 has 12 divisors (see below), whose sum is σ = 4593350268. Its totient is φ = 2041488384.

The previous prime is 3121122139. The next prime is 3121122167. The reversal of 3121122141 is 1412211213.

It can be written as a sum of positive squares in 2 ways, for example, as 2060252100 + 1060870041 = 45390^2 + 32571^2 .

It is not a de Polignac number, because 3121122141 - 2¹ = 3121122139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121122131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3271140 + ... + 3272093.

It is an arithmetic number, because the mean of its divisors is an integer number (382779189).

Almost surely, 2^3121122141 is an apocalyptic number.

It is an amenable number.

3121122141 is a deficient number, since it is larger than the sum of its proper divisors (1472228127).

3121122141 is a wasteful number, since it uses less digits than its factorization.

3121122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543292 (or 6543289 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 3121122141 is about 55867.0040453218. The cubic root of 3121122141 is about 1461.4038759356.

Adding to 3121122141 its reverse (1412211213), we get a palindrome (4533333354).

The spelling of 3121122141 in words is "three billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred forty-one".