112121111211 has 16 divisors (see below), whose sum is σ = 162566701344. Its totient is φ = 68449135104.

The previous prime is 112121111197. The next prime is 112121111213. The reversal of 112121111211 is 112111121211.

It is not a de Polignac number, because 112121111211 - 2⁷ = 112121111083 is a prime.

It is a super-2 number, since 2×112121111211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121111213) 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, 29706940 + ... + 29710713.

It is an arithmetic number, because the mean of its divisors is an integer number (10160418834).

Almost surely, 2^112121111211 is an apocalyptic number.

112121111211 is a deficient number, since it is larger than the sum of its proper divisors (50445590133).

112121111211 is a wasteful number, since it uses less digits than its factorization.

112121111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59417710.

The product of its digits is 8, while the sum is 15.

Adding to 112121111211 its reverse (112111121211), we get a palindrome (224232232422).

It can be divided in two parts, 1121211 and 11211, that multiplied together give a palindrome (12569896521).

The spelling of 112121111211 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, two hundred eleven".