121334441087 has 2 divisors, whose sum is σ = 121334441088. Its totient is φ = 121334441086.

The previous prime is 121334440957. The next prime is 121334441089. The reversal of 121334441087 is 780144433121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121334441087 - 2⁸ = 121334440831 is a prime.

Together with 121334441089, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121334441087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121334441089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60667220543 + 60667220544.

It is an arithmetic number, because the mean of its divisors is an integer number (60667220544).

Almost surely, 2^121334441087 is an apocalyptic number.

121334441087 is a deficient number, since it is larger than the sum of its proper divisors (1).

121334441087 is an equidigital number, since it uses as much as digits as its factorization.

121334441087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 121334441087 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred forty-one thousand, eighty-seven".