121002123233 has 2 divisors, whose sum is σ = 121002123234. Its totient is φ = 121002123232.

The previous prime is 121002123211. The next prime is 121002123239. The reversal of 121002123233 is 332321200121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111310311424 + 9691811809 = 333632^2 + 98447^2 .

It is an emirp because it is prime and its reverse (332321200121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121002123233 - 2⁶ = 121002123169 is a prime.

It is not a weakly prime, because it can be changed into another prime (121002123239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501061616 + 60501061617.

It is an arithmetic number, because the mean of its divisors is an integer number (60501061617).

Almost surely, 2^121002123233 is an apocalyptic number.

It is an amenable number.

121002123233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002123233 is an equidigital number, since it uses as much as digits as its factorization.

121002123233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121002123233 its reverse (332321200121), we get a palindrome (453323323354).

The spelling of 121002123233 in words is "one hundred twenty-one billion, two million, one hundred twenty-three thousand, two hundred thirty-three".