112120121311 has 16 divisors (see below), whose sum is σ = 125854583328. Its totient is φ = 99014032000.

The previous prime is 112120121293. The next prime is 112120121339. The reversal of 112120121311 is 113121021211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112120121311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120121381) 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, 893176 + ... + 1010941.

It is an arithmetic number, because the mean of its divisors is an integer number (7865911458).

Almost surely, 2^112120121311 is an apocalyptic number.

112120121311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112120121311 is a deficient number, since it is larger than the sum of its proper divisors (13734462017).

112120121311 is a wasteful number, since it uses less digits than its factorization.

112120121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904282.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 112120121311 its reverse (113121021211), we get a palindrome (225241142522).

The spelling of 112120121311 in words is "one hundred twelve billion, one hundred twenty million, one hundred twenty-one thousand, three hundred eleven".