3120201121 has 2 divisors, whose sum is σ = 3120201122. Its totient is φ = 3120201120.

The previous prime is 3120201101. The next prime is 3120201193. The reversal of 3120201121 is 1211020213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2679201121 + 441000000 = 51761^2 + 21000^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120201121 - 2¹⁷ = 3120070049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3120201101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560100560 + 1560100561.

It is an arithmetic number, because the mean of its divisors is an integer number (1560100561).

Almost surely, 2^3120201121 is an apocalyptic number.

It is an amenable number.

3120201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120201121 is an equidigital number, since it uses as much as digits as its factorization.

3120201121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3120201121 is about 55858.7604678084. The cubic root of 3120201121 is about 1461.2601119777.

Adding to 3120201121 its reverse (1211020213), we get a palindrome (4331221334).

The spelling of 3120201121 in words is "three billion, one hundred twenty million, two hundred one thousand, one hundred twenty-one".