3120100221331 has 2 divisors, whose sum is σ = 3120100221332. Its totient is φ = 3120100221330.

The previous prime is 3120100221317. The next prime is 3120100221367. The reversal of 3120100221331 is 1331220010213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3120100221331 - 2²¹ = 3120098124179 is a prime.

It is a super-2 number, since 2×3120100221331² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3120100221299 and 3120100221308.

It is not a weakly prime, because it can be changed into another prime (3120100227331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560050110665 + 1560050110666.

It is an arithmetic number, because the mean of its divisors is an integer number (1560050110666).

Almost surely, 2^{3120100221331} is an apocalyptic number.

3120100221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120100221331 is an equidigital number, since it uses as much as digits as its factorization.

3120100221331 is an evil number, because the sum of its binary digits is even.

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

Adding to 3120100221331 its reverse (1331220010213), we get a palindrome (4451320231544).

The spelling of 3120100221331 in words is "three trillion, one hundred twenty billion, one hundred million, two hundred twenty-one thousand, three hundred thirty-one".