112221111112002 has 24 divisors (see below), whose sum is σ = 243318306972780. Its totient is φ = 37380488386560.

The previous prime is 112221111111953. The next prime is 112221111112063. The reversal of 112221111112002 is 200211111122211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108546371636481 + 3674739475521 = 10418559^2 + 1916961^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 2212361499 + ... + 2212412222.

Almost surely, 2^{112221111112002} is an apocalyptic number.

112221111112002 is an abundant number, since it is smaller than the sum of its proper divisors (131097195860778).

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

112221111112002 is a wasteful number, since it uses less digits than its factorization.

112221111112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424775138 (or 4424775135 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112221111112002 its reverse (200211111122211), we get a palindrome (312432222234213).

The spelling of 112221111112002 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, two".