112131020221 has 8 divisors (see below), whose sum is σ = 123535886688. Its totient is φ = 100928010000.

The previous prime is 112131020191. The next prime is 112131020257. The reversal of 112131020221 is 122020131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112131020221 - 2¹¹ = 112131018173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112131020195 and 112131020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131020291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50462895 + ... + 50465116.

It is an arithmetic number, because the mean of its divisors is an integer number (15441985836).

Almost surely, 2^112131020221 is an apocalyptic number.

112131020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112131020221 is a deficient number, since it is larger than the sum of its proper divisors (11404866467).

112131020221 is a wasteful number, since it uses less digits than its factorization.

112131020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100928123.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112131020221 its reverse (122020131211), we get a palindrome (234151151432).

The spelling of 112131020221 in words is "one hundred twelve billion, one hundred thirty-one million, twenty thousand, two hundred twenty-one".