112201110021 has 96 divisors (see below), whose sum is σ = 207857353984. Its totient is φ = 52348032000.

The previous prime is 112201110019. The next prime is 112201110023. The reversal of 112201110021 is 120011102211.

It is an interprime number because it is at equal distance from previous prime (112201110019) and next prime (112201110023).

It is not a de Polignac number, because 112201110021 - 2¹ = 112201110019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112201109979 and 112201110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1176321 + ... + 1268121.

Almost surely, 2^112201110021 is an apocalyptic number.

112201110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112201110021 is a deficient number, since it is larger than the sum of its proper divisors (95656243963).

112201110021 is a wasteful number, since it uses less digits than its factorization.

112201110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91883 (or 91872 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112201110021 its reverse (120011102211), we get a palindrome (232212212232).

It can be divided in two parts, 112201 and 110021, that added together give a palindrome (222222).

The spelling of 112201110021 in words is "one hundred twelve billion, two hundred one million, one hundred ten thousand, twenty-one".