2221001021112 has 16 divisors (see below), whose sum is σ = 5552502552840. Its totient is φ = 740333673696.

The previous prime is 2221001021111. The next prime is 2221001021131. The reversal of 2221001021112 is 2111201001222.

It is a junction number, because it is equal to n+sod(n) for n = 2221001021091 and 2221001021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221001021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46270854583 + ... + 46270854630.

Almost surely, 2^{2221001021112} is an apocalyptic number.

It is an amenable number.

2221001021112 is an abundant number, since it is smaller than the sum of its proper divisors (3331501531728).

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

2221001021112 is a wasteful number, since it uses less digits than its factorization.

2221001021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92541709222 (or 92541709218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221001021112 its reverse (2111201001222), we get a palindrome (4332202022334).

The spelling of 2221001021112 in words is "two trillion, two hundred twenty-one billion, one million, twenty-one thousand, one hundred twelve".