11221102019 has 2 divisors, whose sum is σ = 11221102020. Its totient is φ = 11221102018.

The previous prime is 11221102001. The next prime is 11221102021. The reversal of 11221102019 is 91020112211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221102019 - 2⁸ = 11221101763 is a prime.

It is a super-2 number, since 2×11221102019² (a number of 21 digits) contains 22 as substring.

Together with 11221102021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11221107019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610551009 + 5610551010.

It is an arithmetic number, because the mean of its divisors is an integer number (5610551010).

Almost surely, 2^11221102019 is an apocalyptic number.

11221102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221102019 is an equidigital number, since it uses as much as digits as its factorization.

11221102019 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 20.

The spelling of 11221102019 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, nineteen".