122211000019 has 2 divisors, whose sum is σ = 122211000020. Its totient is φ = 122211000018.

The previous prime is 122210999993. The next prime is 122211000077. The reversal of 122211000019 is 910000112221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122211000019 - 2⁵ = 122210999987 is a prime.

It is a super-2 number, since 2×122211000019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122211000419) 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, 61105500009 + 61105500010.

It is an arithmetic number, because the mean of its divisors is an integer number (61105500010).

Almost surely, 2^122211000019 is an apocalyptic number.

122211000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211000019 is an equidigital number, since it uses as much as digits as its factorization.

122211000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 122211000019 in words is "one hundred twenty-two billion, two hundred eleven million, nineteen", and thus it is an aban number.