121232221301 has 2 divisors, whose sum is σ = 121232221302. Its totient is φ = 121232221300.

The previous prime is 121232221283. The next prime is 121232221307. The reversal of 121232221301 is 103122232121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117659290225 + 3572931076 = 343015^2 + 59774^2 .

It is a cyclic number.

It is not a de Polignac number, because 121232221301 - 2¹⁸ = 121231959157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121232221307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616110650 + 60616110651.

It is an arithmetic number, because the mean of its divisors is an integer number (60616110651).

Almost surely, 2^121232221301 is an apocalyptic number.

It is an amenable number.

121232221301 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232221301 is an equidigital number, since it uses as much as digits as its factorization.

121232221301 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 20.

Adding to 121232221301 its reverse (103122232121), we get a palindrome (224354453422).

The spelling of 121232221301 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred one".