112021121311 has 48 divisors (see below), whose sum is σ = 129277378944. Its totient is φ = 96892928000.

The previous prime is 112021121297. The next prime is 112021121327. The reversal of 112021121311 is 113121120211.

It is a happy number.

It is not a de Polignac number, because 112021121311 - 2⁵ = 112021121279 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 (112021125311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82307271 + ... + 82308631.

It is an arithmetic number, because the mean of its divisors is an integer number (2693278728).

Almost surely, 2^112021121311 is an apocalyptic number.

112021121311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112021121311 is a deficient number, since it is larger than the sum of its proper divisors (17256257633).

112021121311 is a wasteful number, since it uses less digits than its factorization.

112021121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1813 counting only the distinct ones).

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

Adding to 112021121311 its reverse (113121120211), we get a palindrome (225142241522).

It can be divided in two parts, 112021 and 121311, that added together give a palindrome (233332).

The spelling of 112021121311 in words is "one hundred twelve billion, twenty-one million, one hundred twenty-one thousand, three hundred eleven".