112021212111 has 16 divisors (see below), whose sum is σ = 157235744640. Its totient is φ = 70744393440.

The previous prime is 112021212103. The next prime is 112021212161. The reversal of 112021212111 is 111212120211.

It is a happy number.

It is not a de Polignac number, because 112021212111 - 2³ = 112021212103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021212161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676141 + ... + 825353.

It is an arithmetic number, because the mean of its divisors is an integer number (9827234040).

Almost surely, 2^112021212111 is an apocalyptic number.

112021212111 is a deficient number, since it is larger than the sum of its proper divisors (45214532529).

112021212111 is a wasteful number, since it uses less digits than its factorization.

112021212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162406.

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

Adding to 112021212111 its reverse (111212120211), we get a palindrome (223233332322).

The spelling of 112021212111 in words is "one hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred eleven".