112211221019 has 4 divisors (see below), whose sum is σ = 112954341840. Its totient is φ = 111468100200.

The previous prime is 112211221013. The next prime is 112211221081. The reversal of 112211221019 is 910122112211.

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: 910122112211 = 13 ⋅70009393247.

It is a cyclic number.

It is not a de Polignac number, because 112211221019 - 2³² = 107916253723 is a prime.

It is a super-2 number, since 2×112211221019² (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 = 112211220985 and 112211221003.

It is not an unprimeable number, because it can be changed into a prime (112211221013) 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 3 ways as a sum of consecutive naturals, for example, 371560184 + ... + 371560485.

It is an arithmetic number, because the mean of its divisors is an integer number (28238585460).

Almost surely, 2^112211221019 is an apocalyptic number.

112211221019 is a deficient number, since it is larger than the sum of its proper divisors (743120821).

112211221019 is an equidigital number, since it uses as much as digits as its factorization.

112211221019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743120820.

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

The spelling of 112211221019 in words is "one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, nineteen".