1222000111112 has 24 divisors (see below), whose sum is σ = 2518481635950. Its totient is φ = 555454595520.

The previous prime is 1222000111081. The next prime is 1222000111121. The reversal of 1222000111112 is 2111110002221.

It can be written as a sum of positive squares in only one way, i.e., 1063839593476 + 158160517636 = 1031426^2 + 397694^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631197437 + ... + 631199372.

Almost surely, 2^{1222000111112} is an apocalyptic number.

It is an amenable number.

1222000111112 is an abundant number, since it is smaller than the sum of its proper divisors (1296481524838).

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

1222000111112 is a wasteful number, since it uses less digits than its factorization.

1222000111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262396837 (or 1262396822 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222000111112 its reverse (2111110002221), we get a palindrome (3333110113333).

The spelling of 1222000111112 in words is "one trillion, two hundred twenty-two billion, one hundred eleven thousand, one hundred twelve".