21222120011019 has 8 divisors (see below), whose sum is σ = 28296181778640. Its totient is φ = 14148069125376.

The previous prime is 21222120011003. The next prime is 21222120011023. The reversal of 21222120011019 is 91011002122212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21222120011019 - 2⁴ = 21222120011003 is a prime.

It is a super-2 number, since 2×21222120011019² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21222120011019.

It is not an unprimeable number, because it can be changed into a prime (21222120010019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4799667 + ... + 8092035.

It is an arithmetic number, because the mean of its divisors is an integer number (3537022722330).

Almost surely, 2^{21222120011019} is an apocalyptic number.

21222120011019 is a deficient number, since it is larger than the sum of its proper divisors (7074061767621).

21222120011019 is a wasteful number, since it uses less digits than its factorization.

21222120011019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440989.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 21222120011019 in words is "twenty-one trillion, two hundred twenty-two billion, one hundred twenty million, eleven thousand, nineteen".