112201121020 has 12 divisors (see below), whose sum is σ = 235622354184. Its totient is φ = 44880448400.

The previous prime is 112201121003. The next prime is 112201121023. The reversal of 112201121020 is 20121102211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805028006 + ... + 2805028045.

It is an arithmetic number, because the mean of its divisors is an integer number (19635196182).

Almost surely, 2^112201121020 is an apocalyptic number.

112201121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112201121020 is an abundant number, since it is smaller than the sum of its proper divisors (123421233164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112201121020 is a wasteful number, since it uses less digits than its factorization.

112201121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610056060 (or 5610056058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112201121020 its reverse (20121102211), we get a palindrome (132322223231).

The spelling of 112201121020 in words is "one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, twenty".