21032000111222 has 4 divisors (see below), whose sum is σ = 31548000166836. Its totient is φ = 10516000055610.

The previous prime is 21032000111201. The next prime is 21032000111233. The reversal of 21032000111222 is 22211100023012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21032000111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258000027804 + ... + 5258000027807.

It is an arithmetic number, because the mean of its divisors is an integer number (7887000041709).

Almost surely, 2^{21032000111222} is an apocalyptic number.

21032000111222 is a deficient number, since it is larger than the sum of its proper divisors (10516000055614).

21032000111222 is a wasteful number, since it uses less digits than its factorization.

21032000111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516000055613.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21032000111222 its reverse (22211100023012), we get a palindrome (43243100134234).

The spelling of 21032000111222 in words is "twenty-one trillion, thirty-two billion, one hundred eleven thousand, two hundred twenty-two".