121223022015019 has 2 divisors, whose sum is σ = 121223022015020. Its totient is φ = 121223022015018.

The previous prime is 121223022015013. The next prime is 121223022015091. The reversal of 121223022015019 is 910510220322121.

It is a happy number.

Together with next prime (121223022015091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121223022015019 is a prime.

It is a super-2 number, since 2×121223022015019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121223022015013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611511007509 + 60611511007510.

It is an arithmetic number, because the mean of its divisors is an integer number (60611511007510).

Almost surely, 2^{121223022015019} is an apocalyptic number.

121223022015019 is a deficient number, since it is larger than the sum of its proper divisors (1).

121223022015019 is an equidigital number, since it uses as much as digits as its factorization.

121223022015019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 121223022015019 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, twenty-two million, fifteen thousand, nineteen".