1111112221022 has 16 divisors (see below), whose sum is σ = 1724175298800. Its totient is φ = 536387913600.

The previous prime is 1111112220997. The next prime is 1111112221027. The reversal of 1111112221022 is 2201222111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112221027) 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, 3101429 + ... + 3441087.

It is an arithmetic number, because the mean of its divisors is an integer number (107760956175).

Almost surely, 2^{1111112221022} is an apocalyptic number.

1111112221022 is a deficient number, since it is larger than the sum of its proper divisors (613063077778).

1111112221022 is a wasteful number, since it uses less digits than its factorization.

1111112221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396091.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111112221022 its reverse (2201222111111), we get a palindrome (3312334332133).

The spelling of 1111112221022 in words is "one trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".