1012120201121 has 2 divisors, whose sum is σ = 1012120201122. Its totient is φ = 1012120201120.

The previous prime is 1012120201091. The next prime is 1012120201133. The reversal of 1012120201121 is 1211020212101.

1012120201121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805946085025 + 206174116096 = 897745^2 + 454064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012120201121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012120201096 and 1012120201105.

It is not a weakly prime, because it can be changed into another prime (1012120201621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060100560 + 506060100561.

It is an arithmetic number, because the mean of its divisors is an integer number (506060100561).

Almost surely, 2^{1012120201121} is an apocalyptic number.

It is an amenable number.

1012120201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012120201121 is an equidigital number, since it uses as much as digits as its factorization.

1012120201121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012120201121 its reverse (1211020212101), we get a palindrome (2223140413222).

The spelling of 1012120201121 in words is "one trillion, twelve billion, one hundred twenty million, two hundred one thousand, one hundred twenty-one".