2201020111222 has 4 divisors (see below), whose sum is σ = 3301530166836. Its totient is φ = 1100510055610.

The previous prime is 2201020111217. The next prime is 2201020111223. The reversal of 2201020111222 is 2221110201022.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2201020111196 and 2201020111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201020111223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550255027804 + ... + 550255027807.

It is an arithmetic number, because the mean of its divisors is an integer number (825382541709).

Almost surely, 2^{2201020111222} is an apocalyptic number.

2201020111222 is a deficient number, since it is larger than the sum of its proper divisors (1100510055614).

2201020111222 is a wasteful number, since it uses less digits than its factorization.

2201020111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100510055613.

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

Adding to 2201020111222 its reverse (2221110201022), we get a palindrome (4422130312244).

The spelling of 2201020111222 in words is "two trillion, two hundred one billion, twenty million, one hundred eleven thousand, two hundred twenty-two".