112220331021 has 12 divisors (see below), whose sum is σ = 169143687648. Its totient is φ = 71560790664.

The previous prime is 112220331019. The next prime is 112220331089. The reversal of 112220331021 is 120133022211.

112220331021 is a `hidden beast` number, since 112 + 220 + 3 + 310 + 21 = 666.

It is not a de Polignac number, because 112220331021 - 2¹ = 112220331019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112220330985 and 112220331003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221331021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271063395 + ... + 271063808.

It is an arithmetic number, because the mean of its divisors is an integer number (14095307304).

Almost surely, 2^112220331021 is an apocalyptic number.

It is an amenable number.

112220331021 is a deficient number, since it is larger than the sum of its proper divisors (56923356627).

112220331021 is a wasteful number, since it uses less digits than its factorization.

112220331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542127232 (or 542127229 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112220331021 its reverse (120133022211), we get a palindrome (232353353232).

The spelling of 112220331021 in words is "one hundred twelve billion, two hundred twenty million, three hundred thirty-one thousand, twenty-one".