2211212019 has 16 divisors (see below), whose sum is σ = 3159620352. Its totient is φ = 1371937248.

The previous prime is 2211211949. The next prime is 2211212023. The reversal of 2211212019 is 9102121122.

It is not a de Polignac number, because 2211212019 - 2¹¹ = 2211209971 is a prime.

It is a super-2 number, since 2×2211212019² = 9778917185940112722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211211986 and 2211212004.

It is not an unprimeable number, because it can be changed into a prime (2211212519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430509 + ... + 435614.

It is an arithmetic number, because the mean of its divisors is an integer number (197476272).

Almost surely, 2^2211212019 is an apocalyptic number.

2211212019 is a deficient number, since it is larger than the sum of its proper divisors (948408333).

2211212019 is a wasteful number, since it uses less digits than its factorization.

2211212019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866186.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2211212019 is about 47023.5262288995. The cubic root of 2211212019 is about 1302.7971368078.

The spelling of 2211212019 in words is "two billion, two hundred eleven million, two hundred twelve thousand, nineteen".