21112212211219 has 8 divisors (see below), whose sum is σ = 22032620884512. Its totient is φ = 20192010738240.

The previous prime is 21112212211163. The next prime is 21112212211289. The reversal of 21112212211219 is 91211221221112.

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

It is a cyclic number.

It is not a de Polignac number, because 21112212211219 - 2¹⁷ = 21112212080147 is a prime.

It is a super-2 number, since 2×21112212211219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112212211289) 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, 51591834 + ... + 51999439.

It is an arithmetic number, because the mean of its divisors is an integer number (2754077610564).

Almost surely, 2^{21112212211219} is an apocalyptic number.

21112212211219 is a deficient number, since it is larger than the sum of its proper divisors (920408673293).

21112212211219 is a wasteful number, since it uses less digits than its factorization.

21112212211219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103600157.

The product of its digits is 576, while the sum is 28.

The spelling of 21112212211219 in words is "twenty-one trillion, one hundred twelve billion, two hundred twelve million, two hundred eleven thousand, two hundred nineteen".