122211111019 has 2 divisors, whose sum is σ = 122211111020. Its totient is φ = 122211111018.

The previous prime is 122211110981. The next prime is 122211111103. The reversal of 122211111019 is 910111112221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122211111019 - 2¹⁵ = 122211078251 is a prime.

It is a super-2 number, since 2×122211111019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122211114019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105555509 + 61105555510.

It is an arithmetic number, because the mean of its divisors is an integer number (61105555510).

Almost surely, 2^122211111019 is an apocalyptic number.

122211111019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211111019 is an equidigital number, since it uses as much as digits as its factorization.

122211111019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 122211111019 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, nineteen".