111100201111222 has 4 divisors (see below), whose sum is σ = 166650301666836. Its totient is φ = 55550100555610.

The previous prime is 111100201111219. The next prime is 111100201111243. The reversal of 111100201111222 is 222111102001111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×111100201111222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111100201111196 and 111100201111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775050277804 + ... + 27775050277807.

It is an arithmetic number, because the mean of its divisors is an integer number (41662575416709).

Almost surely, 2^{111100201111222} is an apocalyptic number.

111100201111222 is a deficient number, since it is larger than the sum of its proper divisors (55550100555614).

111100201111222 is an equidigital number, since it uses as much as digits as its factorization.

111100201111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550100555613.

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

Adding to 111100201111222 its reverse (222111102001111), we get a palindrome (333211303112333).

The spelling of 111100201111222 in words is "one hundred eleven trillion, one hundred billion, two hundred one million, one hundred eleven thousand, two hundred twenty-two".