22202021100122 has 4 divisors (see below), whose sum is σ = 33303031650186. Its totient is φ = 11101010550060.

The previous prime is 22202021100121. The next prime is 22202021100143. The reversal of 22202021100122 is 22100112020222.

It is a happy number.

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., 20250549003721 + 1951472096401 = 4500061^2 + 1396951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202021100122.

It is not an unprimeable number, because it can be changed into a prime (22202021100121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550505275029 + ... + 5550505275032.

Almost surely, 2^{22202021100122} is an apocalyptic number.

22202021100122 is a deficient number, since it is larger than the sum of its proper divisors (11101010550064).

22202021100122 is a wasteful number, since it uses less digits than its factorization.

22202021100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101010550063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22202021100122 its reverse (22100112020222), we get a palindrome (44302133120344).

The spelling of 22202021100122 in words is "twenty-two trillion, two hundred two billion, twenty-one million, one hundred thousand, one hundred twenty-two".