121120211021233 has 2 divisors, whose sum is σ = 121120211021234. Its totient is φ = 121120211021232.

The previous prime is 121120211021219. The next prime is 121120211021237. The reversal of 121120211021233 is 332120112021121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104770537119504 + 16349673901729 = 10235748^2 + 4043473^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120211021233 - 2¹³ = 121120211013041 is a prime.

It is not a weakly prime, because it can be changed into another prime (121120211021237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560105510616 + 60560105510617.

It is an arithmetic number, because the mean of its divisors is an integer number (60560105510617).

Almost surely, 2^{121120211021233} is an apocalyptic number.

It is an amenable number.

121120211021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120211021233 is an equidigital number, since it uses as much as digits as its factorization.

121120211021233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121120211021233 its reverse (332120112021121), we get a palindrome (453240323042354).

The spelling of 121120211021233 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, two hundred thirty-three".