22111002019 has 2 divisors, whose sum is σ = 22111002020. Its totient is φ = 22111002018.

The previous prime is 22111001981. The next prime is 22111002071. The reversal of 22111002019 is 91020011122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111002019 - 2¹⁹ = 22110477731 is a prime.

It is a super-2 number, since 2×22111002019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111001987 and 22111002005.

It is not a weakly prime, because it can be changed into another prime (22111000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055501009 + 11055501010.

It is an arithmetic number, because the mean of its divisors is an integer number (11055501010).

Almost surely, 2^22111002019 is an apocalyptic number.

22111002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111002019 is an equidigital number, since it uses as much as digits as its factorization.

22111002019 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 22111002019 in words is "twenty-two billion, one hundred eleven million, two thousand, nineteen".