122121122094019 has 2 divisors, whose sum is σ = 122121122094020. Its totient is φ = 122121122094018.

The previous prime is 122121122094017. The next prime is 122121122094031. The reversal of 122121122094019 is 910490221121221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122121122094019 - 2¹ = 122121122094017 is a prime.

It is a super-2 number, since 2×122121122094019² (a number of 29 digits) contains 22 as substring.

Together with 122121122094017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122121122094017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060561047009 + 61060561047010.

It is an arithmetic number, because the mean of its divisors is an integer number (61060561047010).

Almost surely, 2^{122121122094019} is an apocalyptic number.

122121122094019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121122094019 is an equidigital number, since it uses as much as digits as its factorization.

122121122094019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 122121122094019 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, ninety-four thousand, nineteen".