2210224021121 has 8 divisors (see below), whose sum is σ = 2463407578080. Its totient is φ = 1970726061888.

The previous prime is 2210224021111. The next prime is 2210224021127. The reversal of 2210224021121 is 1211204220122.

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 2210224021121 - 2¹⁰ = 2210224020097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210224021093 and 2210224021102.

It is not an unprimeable number, because it can be changed into a prime (2210224021127) 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, 3421399091 + ... + 3421399736.

It is an arithmetic number, because the mean of its divisors is an integer number (307925947260).

Almost surely, 2^{2210224021121} is an apocalyptic number.

It is an amenable number.

2210224021121 is a deficient number, since it is larger than the sum of its proper divisors (253183556959).

2210224021121 is a wasteful number, since it uses less digits than its factorization.

2210224021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842798863.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2210224021121 its reverse (1211204220122), we get a palindrome (3421428241243).

The spelling of 2210224021121 in words is "two trillion, two hundred ten billion, two hundred twenty-four million, twenty-one thousand, one hundred twenty-one".