2221200112021 has 8 divisors (see below), whose sum is σ = 2424847161600. Its totient is φ = 2017839690240.

The previous prime is 2221200112013. The next prime is 2221200112063. The reversal of 2221200112021 is 1202110021222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221200112021 - 2³ = 2221200112013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221200111986 and 2221200112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221200112921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71640741 + ... + 71671738.

It is an arithmetic number, because the mean of its divisors is an integer number (303105895200).

Almost surely, 2^{2221200112021} is an apocalyptic number.

It is an amenable number.

2221200112021 is a deficient number, since it is larger than the sum of its proper divisors (203647049579).

2221200112021 is a wasteful number, since it uses less digits than its factorization.

2221200112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143313899.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221200112021 its reverse (1202110021222), we get a palindrome (3423310133243).

The spelling of 2221200112021 in words is "two trillion, two hundred twenty-one billion, two hundred million, one hundred twelve thousand, twenty-one".