121014121410157 has 2 divisors, whose sum is σ = 121014121410158. Its totient is φ = 121014121410156.

The previous prime is 121014121410107. The next prime is 121014121410209. The reversal of 121014121410157 is 751014121410121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71575982347081 + 49438139063076 = 8460259^2 + 7031226^2 .

It is an emirp because it is prime and its reverse (751014121410121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121014121410157 - 2⁷ = 121014121410029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121014121410107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60507060705078 + 60507060705079.

It is an arithmetic number, because the mean of its divisors is an integer number (60507060705079).

Almost surely, 2^{121014121410157} is an apocalyptic number.

It is an amenable number.

121014121410157 is a deficient number, since it is larger than the sum of its proper divisors (1).

121014121410157 is an equidigital number, since it uses as much as digits as its factorization.

121014121410157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 31.

Adding to 121014121410157 its reverse (751014121410121), we get a palindrome (872028242820278).

The spelling of 121014121410157 in words is "one hundred twenty-one trillion, fourteen billion, one hundred twenty-one million, four hundred ten thousand, one hundred fifty-seven".