22011112019 has 4 divisors (see below), whose sum is σ = 23704274496. Its totient is φ = 20317949544.

The previous prime is 22011112007. The next prime is 22011112069. The reversal of 22011112019 is 91021111022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22011112019 - 2²⁰ = 22010063443 is a prime.

It is a super-2 number, since 2×22011112019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011112069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846581219 + ... + 846581244.

It is an arithmetic number, because the mean of its divisors is an integer number (5926068624).

Almost surely, 2^22011112019 is an apocalyptic number.

22011112019 is a deficient number, since it is larger than the sum of its proper divisors (1693162477).

22011112019 is a wasteful number, since it uses less digits than its factorization.

22011112019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693162476.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 22011112019 in words is "twenty-two billion, eleven million, one hundred twelve thousand, nineteen".