22111210221202 has 8 divisors (see below), whose sum is σ = 33201617869116. Its totient is φ = 11044004264832.

The previous prime is 22111210221181. The next prime is 22111210221253. The reversal of 22111210221202 is 20212201211122.

It can be written as a sum of positive squares in 2 ways, for example, as 22110788288521 + 421932681 = 4702211^2 + 20541^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22111210221202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5800420503 + ... + 5800424314.

Almost surely, 2^{22111210221202} is an apocalyptic number.

22111210221202 is a deficient number, since it is larger than the sum of its proper divisors (11090407647914).

22111210221202 is a wasteful number, since it uses less digits than its factorization.

22111210221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11600845772.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22111210221202 its reverse (20212201211122), we get a palindrome (42323411432324).

The spelling of 22111210221202 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred two".