222110211021 has 8 divisors (see below), whose sum is σ = 296149130784. Its totient is φ = 148072382640.

The previous prime is 222110211019. The next prime is 222110211067. The reversal of 222110211021 is 120112011222.

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

It is not a de Polignac number, because 222110211021 - 2¹ = 222110211019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110211821) 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, 611491 + ... + 904511.

It is an arithmetic number, because the mean of its divisors is an integer number (37018641348).

Almost surely, 2^222110211021 is an apocalyptic number.

It is an amenable number.

222110211021 is a deficient number, since it is larger than the sum of its proper divisors (74038919763).

222110211021 is a wasteful number, since it uses less digits than its factorization.

222110211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545691.

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

Adding to 222110211021 its reverse (120112011222), we get a palindrome (342222222243).

The spelling of 222110211021 in words is "two hundred twenty-two billion, one hundred ten million, two hundred eleven thousand, twenty-one".