121112119951 has 2 divisors, whose sum is σ = 121112119952. Its totient is φ = 121112119950.

The previous prime is 121112119939. The next prime is 121112120021. The reversal of 121112119951 is 159911211121.

It is a weak prime.

It is an emirp because it is prime and its reverse (159911211121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121112119951 - 2¹³ = 121112111759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112119451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556059975 + 60556059976.

It is an arithmetic number, because the mean of its divisors is an integer number (60556059976).

Almost surely, 2^121112119951 is an apocalyptic number.

121112119951 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112119951 is an equidigital number, since it uses as much as digits as its factorization.

121112119951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 34.

The spelling of 121112119951 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred nineteen thousand, nine hundred fifty-one".