121112011151 has 2 divisors, whose sum is σ = 121112011152. Its totient is φ = 121112011150.

The previous prime is 121112011121. The next prime is 121112011171. The reversal of 121112011151 is 151110211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121112011151 - 2³⁰ = 120038269327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556005575 + 60556005576.

It is an arithmetic number, because the mean of its divisors is an integer number (60556005576).

Almost surely, 2^121112011151 is an apocalyptic number.

121112011151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112011151 is an equidigital number, since it uses as much as digits as its factorization.

121112011151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 121112011151 its reverse (151110211121), we get a palindrome (272222222272).

The spelling of 121112011151 in words is "one hundred twenty-one billion, one hundred twelve million, eleven thousand, one hundred fifty-one".