121311002202151 has 2 divisors, whose sum is σ = 121311002202152. Its totient is φ = 121311002202150.

The previous prime is 121311002202083. The next prime is 121311002202157. The reversal of 121311002202151 is 151202200113121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121311002202151 - 2⁷ = 121311002202023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121311002202157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655501101075 + 60655501101076.

It is an arithmetic number, because the mean of its divisors is an integer number (60655501101076).

Almost surely, 2^{121311002202151} is an apocalyptic number.

121311002202151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121311002202151 is an equidigital number, since it uses as much as digits as its factorization.

121311002202151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 121311002202151 its reverse (151202200113121), we get a palindrome (272513202315272).

The spelling of 121311002202151 in words is "one hundred twenty-one trillion, three hundred eleven billion, two million, two hundred two thousand, one hundred fifty-one".