112221101012 has 18 divisors (see below), whose sum is σ = 208618640622. Its totient is φ = 52809929344.

The previous prime is 112221100951. The next prime is 112221101033. The reversal of 112221101012 is 210101122211.

It can be written as a sum of positive squares in 3 ways, for example, as 70720892356 + 41500208656 = 265934^2 + 203716^2 .

It is a congruent number.

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, 48537383 + ... + 48539694.

It is an arithmetic number, because the mean of its divisors is an integer number (11589924479).

Almost surely, 2^112221101012 is an apocalyptic number.

It is an amenable number.

112221101012 is a deficient number, since it is larger than the sum of its proper divisors (96397539610).

112221101012 is a wasteful number, since it uses less digits than its factorization.

112221101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97077115 (or 97077096 counting only the distinct ones).

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

Adding to 112221101012 its reverse (210101122211), we get a palindrome (322322223223).

The spelling of 112221101012 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred one thousand, twelve".