111021011222 has 32 divisors (see below), whose sum is σ = 186356739744. Its totient is φ = 49165804800.

The previous prime is 111021011209. The next prime is 111021011281. The reversal of 111021011222 is 222110120111.

It is a junction number, because it is equal to n+sod(n) for n = 111021011197 and 111021011206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577208 + ... + 745124.

It is an arithmetic number, because the mean of its divisors is an integer number (5823648117).

Almost surely, 2^111021011222 is an apocalyptic number.

111021011222 is a deficient number, since it is larger than the sum of its proper divisors (75335728522).

111021011222 is a wasteful number, since it uses less digits than its factorization.

111021011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168704.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111021011222 its reverse (222110120111), we get a palindrome (333131131333).

The spelling of 111021011222 in words is "one hundred eleven billion, twenty-one million, eleven thousand, two hundred twenty-two".