111211120222 has 8 divisors (see below), whose sum is σ = 169306481736. Its totient is φ = 54775626312.

The previous prime is 111211120171. The next prime is 111211120247. The reversal of 111211120222 is 222021112111.

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

It is a super-2 number, since 2×111211120222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111211120196 and 111211120205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414966733 + ... + 414967000.

It is an arithmetic number, because the mean of its divisors is an integer number (21163310217).

Almost surely, 2^111211120222 is an apocalyptic number.

111211120222 is a deficient number, since it is larger than the sum of its proper divisors (58095361514).

111211120222 is an equidigital number, since it uses as much as digits as its factorization.

111211120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829933802.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111211120222 its reverse (222021112111), we get a palindrome (333232232333).

The spelling of 111211120222 in words is "one hundred eleven billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-two".