21112110222219 has 6 divisors (see below), whose sum is σ = 30495270320996. Its totient is φ = 14074740148140.

The previous prime is 21112110222211. The next prime is 21112110222223. The reversal of 21112110222219 is 91222201121112.

21112110222219 is a `hidden beast` number, since 2 + 1 + 11 + 211 + 0 + 222 + 219 = 666.

It is not a de Polignac number, because 21112110222219 - 2³ = 21112110222211 is a prime.

It is a super-2 number, since 2×21112110222219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21112110222192 and 21112110222201.

It is not an unprimeable number, because it can be changed into a prime (21112110222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1172895012337 + ... + 1172895012354.

Almost surely, 2^{21112110222219} is an apocalyptic number.

21112110222219 is a deficient number, since it is larger than the sum of its proper divisors (9383160098777).

21112110222219 is a wasteful number, since it uses less digits than its factorization.

21112110222219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345790024697 (or 2345790024694 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 21112110222219 in words is "twenty-one trillion, one hundred twelve billion, one hundred ten million, two hundred twenty-two thousand, two hundred nineteen".