22201020100202 has 4 divisors (see below), whose sum is σ = 33301530150306. Its totient is φ = 11100510050100.

The previous prime is 22201020100139. The next prime is 22201020100243. The reversal of 22201020100202 is 20200102010222.

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

It can be written as a sum of positive squares in only one way, i.e., 16066476906601 + 6134543193601 = 4008301^2 + 2476801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550255025049 + ... + 5550255025052.

Almost surely, 2^{22201020100202} is an apocalyptic number.

22201020100202 is a deficient number, since it is larger than the sum of its proper divisors (11100510050104).

22201020100202 is a wasteful number, since it uses less digits than its factorization.

22201020100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100510050103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22201020100202 its reverse (20200102010222), we get a palindrome (42401122110424).

The spelling of 22201020100202 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred thousand, two hundred two".