1111102222 has 4 divisors (see below), whose sum is σ = 1666653336. Its totient is φ = 555551110.

The previous prime is 1111102211. The next prime is 1111102249. The reversal of 1111102222 is 2222011111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222011111 = 43 ⋅51674677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277775554 + ... + 277775557.

It is an arithmetic number, because the mean of its divisors is an integer number (416663334).

Almost surely, 2^1111102222 is an apocalyptic number.

1111102222 is a deficient number, since it is larger than the sum of its proper divisors (555551114).

1111102222 is an equidigital number, since it uses as much as digits as its factorization.

1111102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555551113.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1111102222 is about 33333.1999964000. The cubic root of 1111102222 is about 1035.7414065904.

Adding to 1111102222 its reverse (2222011111), we get a palindrome (3333113333).

The spelling of 1111102222 in words is "one billion, one hundred eleven million, one hundred two thousand, two hundred twenty-two".