222111211019 has 4 divisors (see below), whose sum is σ = 222782242200. Its totient is φ = 221440179840.

The previous prime is 222111210983. The next prime is 222111211037. The reversal of 222111211019 is 910112111222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910112111222 = 2 ⋅455056055611.

It is a cyclic number.

It is not a de Polignac number, because 222111211019 - 2¹² = 222111206923 is a prime.

It is a super-2 number, since 2×222111211019² (a number of 23 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 = 222111210985 and 222111211003.

It is not an unprimeable number, because it can be changed into a prime (222111211219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335515094 + ... + 335515755.

It is an arithmetic number, because the mean of its divisors is an integer number (55695560550).

Almost surely, 2^222111211019 is an apocalyptic number.

222111211019 is a deficient number, since it is larger than the sum of its proper divisors (671031181).

222111211019 is an equidigital number, since it uses as much as digits as its factorization.

222111211019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671031180.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 222111211019 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred eleven thousand, nineteen".