111111010222 has 16 divisors (see below), whose sum is σ = 168517872000. Its totient is φ = 54941643360.

The previous prime is 111111010217. The next prime is 111111010223. The reversal of 111111010222 is 222010111111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111010223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745854 + ... + 882337.

It is an arithmetic number, because the mean of its divisors is an integer number (10532367000).

Almost surely, 2^111111010222 is an apocalyptic number.

111111010222 is a deficient number, since it is larger than the sum of its proper divisors (57406861778).

111111010222 is a wasteful number, since it uses less digits than its factorization.

111111010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628571.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111111010222 its reverse (222010111111), we get a palindrome (333121121333).

The spelling of 111111010222 in words is "one hundred eleven billion, one hundred eleven million, ten thousand, two hundred twenty-two".