1122222022222 has 64 divisors (see below), whose sum is σ = 1964548684800. Its totient is φ = 470869459200.

The previous prime is 1122222022211. The next prime is 1122222022289. The reversal of 1122222022222 is 2222202222211.

It is a junction number, because it is equal to n+sod(n) for n = 1122222022193 and 1122222022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360957604 + ... + 360960712.

It is an arithmetic number, because the mean of its divisors is an integer number (30696073200).

Almost surely, 2^{1122222022222} is an apocalyptic number.

1122222022222 is a deficient number, since it is larger than the sum of its proper divisors (842326662578).

1122222022222 is a wasteful number, since it uses less digits than its factorization.

1122222022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1122222022222 its reverse (2222202222211), we get a palindrome (3344424244433).

It can be divided in two parts, 11 and 22222022222, that multiplied together give a palindrome (244442244442).

The spelling of 1122222022222 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-two".