112211022201220 has 48 divisors (see below), whose sum is σ = 236014885371888. Its totient is φ = 44813614809600.

The previous prime is 112211022201191. The next prime is 112211022201227. The reversal of 112211022201220 is 22102220112211.

It can be written as a sum of positive squares in 8 ways, for example, as 771414403204 + 111439607798016 = 878302^2 + 10556496^2 .

It is not an unprimeable number, because it can be changed into a prime (112211022201227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136248670 + ... + 137069770.

It is an arithmetic number, because the mean of its divisors is an integer number (4916976778581).

Almost surely, 2^{112211022201220} is an apocalyptic number.

112211022201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211022201220 is an abundant number, since it is smaller than the sum of its proper divisors (123803863170668).

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

112211022201220 is a wasteful number, since it uses less digits than its factorization.

112211022201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831880 (or 831878 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112211022201220 its reverse (22102220112211), we get a palindrome (134313242313431).

The spelling of 112211022201220 in words is "one hundred twelve trillion, two hundred eleven billion, twenty-two million, two hundred one thousand, two hundred twenty".