2101201221112 has 32 divisors (see below), whose sum is σ = 4647818373120. Its totient is φ = 871465943520.

The previous prime is 2101201221101. The next prime is 2101201221137. The reversal of 2101201221112 is 2111221021012.

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 7 ways as a sum of consecutive naturals, for example, 605182948 + ... + 605186419.

It is an arithmetic number, because the mean of its divisors is an integer number (145244324160).

Almost surely, 2^{2101201221112} is an apocalyptic number.

It is an amenable number.

2101201221112 is an abundant number, since it is smaller than the sum of its proper divisors (2546617152008).

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

2101201221112 is a wasteful number, since it uses less digits than its factorization.

2101201221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210369411 (or 1210369407 counting only the distinct ones).

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

Adding to 2101201221112 its reverse (2111221021012), we get a palindrome (4212422242124).

The spelling of 2101201221112 in words is "two trillion, one hundred one billion, two hundred one million, two hundred twenty-one thousand, one hundred twelve".