2221120010221 has 8 divisors (see below), whose sum is σ = 2648789080704. Its totient is φ = 1821042492720.

The previous prime is 2221120010189. The next prime is 2221120010231. The reversal of 2221120010221 is 1220100211222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221120010221 - 2⁵ = 2221120010189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221120010195 and 2221120010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221120010231) 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, 6897888070 + ... + 6897888391.

It is an arithmetic number, because the mean of its divisors is an integer number (331098635088).

Almost surely, 2^{2221120010221} is an apocalyptic number.

It is an amenable number.

2221120010221 is a deficient number, since it is larger than the sum of its proper divisors (427669070483).

2221120010221 is a wasteful number, since it uses less digits than its factorization.

2221120010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795776491.

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

Adding to 2221120010221 its reverse (1220100211222), we get a palindrome (3441220221443).

The spelling of 2221120010221 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, ten thousand, two hundred twenty-one".