2111221222219 has 16 divisors (see below), whose sum is σ = 2205073995264. Its totient is φ = 2017540958400.

The previous prime is 2111221222207. The next prime is 2111221222223. The reversal of 2111221222219 is 9122221221112.

It is a cyclic number.

It is not a de Polignac number, because 2111221222219 - 2⁷ = 2111221222091 is a prime.

It is a super-2 number, since 2×2111221222219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111221222259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189154999 + ... + 189166159.

It is an arithmetic number, because the mean of its divisors is an integer number (137817124704).

Almost surely, 2^{2111221222219} is an apocalyptic number.

2111221222219 is a deficient number, since it is larger than the sum of its proper divisors (93852773045).

2111221222219 is a wasteful number, since it uses less digits than its factorization.

2111221222219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18138.

The product of its digits is 1152, while the sum is 28.

It can be divided in two parts, 211122 and 1222219, that added together give a palindrome (1433341).

The spelling of 2111221222219 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred nineteen".