112221012111 has 32 divisors (see below), whose sum is σ = 164545214400. Its totient is φ = 67604619264.

The previous prime is 112221012107. The next prime is 112221012131. The reversal of 112221012111 is 111210122211.

It is a happy number.

It is not a de Polignac number, because 112221012111 - 2² = 112221012107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221012131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867625 + ... + 988541.

It is an arithmetic number, because the mean of its divisors is an integer number (5142037950).

Almost surely, 2^112221012111 is an apocalyptic number.

112221012111 is a deficient number, since it is larger than the sum of its proper divisors (52324202289).

112221012111 is a wasteful number, since it uses less digits than its factorization.

112221012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121435.

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

Adding to 112221012111 its reverse (111210122211), we get a palindrome (223431134322).

The spelling of 112221012111 in words is "one hundred twelve billion, two hundred twenty-one million, twelve thousand, one hundred eleven".