1111101222 has 64 divisors (see below), whose sum is σ = 2822874624. Its totient is φ = 283146240.

The previous prime is 1111101221. The next prime is 1111101263. The reversal of 1111101222 is 2221011111.

It is a junction number, because it is equal to n+sod(n) for n = 1111101198 and 1111101207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1798 + ... + 47174.

It is an arithmetic number, because the mean of its divisors is an integer number (44107416).

Almost surely, 2^1111101222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111101222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411437312).

1111101222 is an abundant number, since it is smaller than the sum of its proper divisors (1711773402).

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

1111101222 is a wasteful number, since it uses less digits than its factorization.

1111101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45453.

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

The square root of 1111101222 is about 33333.1849963366. The cubic root of 1111101222 is about 1035.7410958654.

Adding to 1111101222 its reverse (2221011111), we get a palindrome (3332112333).

The spelling of 1111101222 in words is "one billion, one hundred eleven million, one hundred one thousand, two hundred twenty-two".