111220011222 has 16 divisors (see below), whose sum is σ = 223243058352. Its totient is φ = 36939497760.

The previous prime is 111220011209. The next prime is 111220011263. The reversal of 111220011222 is 222110022111.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33458029 + ... + 33461352.

It is an arithmetic number, because the mean of its divisors is an integer number (13952691147).

Almost surely, 2^111220011222 is an apocalyptic number.

111220011222 is an abundant number, since it is smaller than the sum of its proper divisors (112023047130).

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

111220011222 is a wasteful number, since it uses less digits than its factorization.

111220011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66919663.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111220011222 its reverse (222110022111), we get a palindrome (333330033333).

The spelling of 111220011222 in words is "one hundred eleven billion, two hundred twenty million, eleven thousand, two hundred twenty-two".