122101019 has 2 divisors, whose sum is σ = 122101020. Its totient is φ = 122101018.

The previous prime is 122101013. The next prime is 122101061. The reversal of 122101019 is 910101221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122101019 - 2⁴ = 122101003 is a prime.

It is a super-2 number, since 2×122101019² = 29817317681676722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122100988 and 122101006.

It is not a weakly prime, because it can be changed into another prime (122101013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050509 + 61050510.

It is an arithmetic number, because the mean of its divisors is an integer number (61050510).

Almost surely, 2^122101019 is an apocalyptic number.

122101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101019 is an equidigital number, since it uses as much as digits as its factorization.

122101019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 122101019 is about 11049.9329862221. The cubic root of 122101019 is about 496.1044197322.

The spelling of 122101019 in words is "one hundred twenty-two million, one hundred one thousand, nineteen".