1112001111222 has 16 divisors (see below), whose sum is σ = 2255326198272. Its totient is φ = 365446374440.

The previous prime is 1112001111191. The next prime is 1112001111229. The reversal of 1112001111222 is 2221111002111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112001111229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1305165198 + ... + 1305166049.

It is an arithmetic number, because the mean of its divisors is an integer number (140957887392).

Almost surely, 2^{1112001111222} is an apocalyptic number.

1112001111222 is an abundant number, since it is smaller than the sum of its proper divisors (1143325087050).

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

1112001111222 is a wasteful number, since it uses less digits than its factorization.

1112001111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610331323.

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

Adding to 1112001111222 its reverse (2221111002111), we get a palindrome (3333112113333).

The spelling of 1112001111222 in words is "one trillion, one hundred twelve billion, one million, one hundred eleven thousand, two hundred twenty-two".