2130201121 has 2 divisors, whose sum is σ = 2130201122. Its totient is φ = 2130201120.

The previous prime is 2130201113. The next prime is 2130201137. The reversal of 2130201121 is 1211020312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1757286400 + 372914721 = 41920^2 + 19311^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130201121 - 2³ = 2130201113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130201181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065100560 + 1065100561.

It is an arithmetic number, because the mean of its divisors is an integer number (1065100561).

Almost surely, 2^2130201121 is an apocalyptic number.

It is an amenable number.

2130201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130201121 is an equidigital number, since it uses as much as digits as its factorization.

2130201121 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 2130201121 is about 46154.1018870479. The cubic root of 2130201121 is about 1286.6888463503.

Adding to 2130201121 its reverse (1211020312), we get a palindrome (3341221433).

The spelling of 2130201121 in words is "two billion, one hundred thirty million, two hundred one thousand, one hundred twenty-one".