1111021110222 has 32 divisors (see below), whose sum is σ = 2269435525632. Its totient is φ = 362442290304.

The previous prime is 1111021110179. The next prime is 1111021110257. The reversal of 1111021110222 is 2220111201111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6115318 + ... + 6294374.

It is an arithmetic number, because the mean of its divisors is an integer number (70919860176).

Almost surely, 2^{1111021110222} is an apocalyptic number.

1111021110222 is an abundant number, since it is smaller than the sum of its proper divisors (1158414415410).

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

1111021110222 is a wasteful number, since it uses less digits than its factorization.

1111021110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201112.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111021110222 its reverse (2220111201111), we get a palindrome (3331132311333).

The spelling of 1111021110222 in words is "one trillion, one hundred eleven billion, twenty-one million, one hundred ten thousand, two hundred twenty-two".