1122221122 has 8 divisors (see below), whose sum is σ = 1836361872. Its totient is φ = 510100500.

The previous prime is 1122221077. The next prime is 1122221143. The reversal of 1122221122 is 2211222211.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1122221096 and 1122221105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25505004 + ... + 25505047.

It is an arithmetic number, because the mean of its divisors is an integer number (229545234).

Almost surely, 2^1122221122 is an apocalyptic number.

1122221122 is a deficient number, since it is larger than the sum of its proper divisors (714140750).

1122221122 is a wasteful number, since it uses less digits than its factorization.

1122221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010064.

The product of its digits is 64, while the sum is 16.

The square root of 1122221122 is about 33499.5689823018. The cubic root of 1122221122 is about 1039.1848648521.

Adding to 1122221122 its reverse (2211222211), we get a palindrome (3333443333).

It can be divided in two parts, 11222211 and 22, that multiplied together give a palindrome (246888642).

The spelling of 1122221122 in words is "one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".