121233504151 has 2 divisors, whose sum is σ = 121233504152. Its totient is φ = 121233504150.

The previous prime is 121233504143. The next prime is 121233504181. The reversal of 121233504151 is 151405332121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121233504151 - 2³ = 121233504143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121233504181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616752075 + 60616752076.

It is an arithmetic number, because the mean of its divisors is an integer number (60616752076).

Almost surely, 2^121233504151 is an apocalyptic number.

121233504151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233504151 is an equidigital number, since it uses as much as digits as its factorization.

121233504151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 121233504151 its reverse (151405332121), we get a palindrome (272638836272).

The spelling of 121233504151 in words is "one hundred twenty-one billion, two hundred thirty-three million, five hundred four thousand, one hundred fifty-one".