121323233201 has 2 divisors, whose sum is σ = 121323233202. Its totient is φ = 121323233200.

The previous prime is 121323233153. The next prime is 121323233221. The reversal of 121323233201 is 102332323121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120564506176 + 758727025 = 347224^2 + 27545^2 .

It is a cyclic number.

It is not a de Polignac number, because 121323233201 - 2¹⁸ = 121322971057 is a prime.

It is not a weakly prime, because it can be changed into another prime (121323233221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661616600 + 60661616601.

It is an arithmetic number, because the mean of its divisors is an integer number (60661616601).

Almost surely, 2^121323233201 is an apocalyptic number.

It is an amenable number.

121323233201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121323233201 is an equidigital number, since it uses as much as digits as its factorization.

121323233201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121323233201 its reverse (102332323121), we get a palindrome (223655556322).

The spelling of 121323233201 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred one".