121110243151 has 2 divisors, whose sum is σ = 121110243152. Its totient is φ = 121110243150.

The previous prime is 121110243049. The next prime is 121110243223. The reversal of 121110243151 is 151342011121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121110243151 - 2¹¹ = 121110241103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110246151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555121575 + 60555121576.

It is an arithmetic number, because the mean of its divisors is an integer number (60555121576).

Almost surely, 2^121110243151 is an apocalyptic number.

121110243151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110243151 is an equidigital number, since it uses as much as digits as its factorization.

121110243151 is an evil number, because the sum of its binary digits is even.

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

Adding to 121110243151 its reverse (151342011121), we get a palindrome (272452254272).

The spelling of 121110243151 in words is "one hundred twenty-one billion, one hundred ten million, two hundred forty-three thousand, one hundred fifty-one".