1112212211222 has 16 divisors (see below), whose sum is σ = 1906726543872. Its totient is φ = 476643116520.

The previous prime is 1112212211183. The next prime is 1112212211321. The reversal of 1112212211222 is 2221122122111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1112212211194 and 1112212211203.

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, 1243304 + ... + 1941707.

It is an arithmetic number, because the mean of its divisors is an integer number (119170408992).

Almost surely, 2^{1112212211222} is an apocalyptic number.

1112212211222 is a deficient number, since it is larger than the sum of its proper divisors (794514332650).

1112212211222 is a wasteful number, since it uses less digits than its factorization.

1112212211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209963.

The product of its digits is 128, while the sum is 20.

Adding to 1112212211222 its reverse (2221122122111), we get a palindrome (3333334333333).

The spelling of 1112212211222 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-two".