112201220101012 has 72 divisors (see below), whose sum is σ = 229680342073728. Its totient is φ = 47818738497600.

The previous prime is 112201220101001. The next prime is 112201220101021. The reversal of 112201220101012 is 210101022102211.

It is a super-2 number, since 2×112201220101012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1356241593 + ... + 1356324319.

It is an arithmetic number, because the mean of its divisors is an integer number (3190004751024).

Almost surely, 2^{112201220101012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112201220101012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114840171036864).

112201220101012 is an abundant number, since it is smaller than the sum of its proper divisors (117479121972716).

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

112201220101012 is a wasteful number, since it uses less digits than its factorization.

112201220101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121157 (or 121148 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112201220101012 its reverse (210101022102211), we get a palindrome (322302242203223).

The spelling of 112201220101012 in words is "one hundred twelve trillion, two hundred one billion, two hundred twenty million, one hundred one thousand, twelve".