1101111222 has 8 divisors (see below), whose sum is σ = 2202222456. Its totient is φ = 367037072.

The previous prime is 1101111217. The next prime is 1101111247. The reversal of 1101111222 is 2221111011.

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

1101111222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1101111198 and 1101111207.

It is a congruent number.

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, 91759263 + ... + 91759274.

It is an arithmetic number, because the mean of its divisors is an integer number (275277807).

Almost surely, 2^1101111222 is an apocalyptic number.

1101111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101111222 is a wasteful number, since it uses less digits than its factorization.

1101111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183518542.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1101111222 is about 33182.9959768554. The cubic root of 1101111222 is about 1032.6276022219.

Adding to 1101111222 its reverse (2221111011), we get a palindrome (3322222233).

The spelling of 1101111222 in words is "one billion, one hundred one million, one hundred eleven thousand, two hundred twenty-two".