20222202021122 has 4 divisors (see below), whose sum is σ = 30333303031686. Its totient is φ = 10111101010560.

The previous prime is 20222202021079. The next prime is 20222202021149. The reversal of 20222202021122 is 22112020222202.

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., 19845857807161 + 376344213961 = 4454869^2 + 613469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20222202021094 and 20222202021103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055550505279 + ... + 5055550505282.

Almost surely, 2^{20222202021122} is an apocalyptic number.

20222202021122 is a deficient number, since it is larger than the sum of its proper divisors (10111101010564).

20222202021122 is a wasteful number, since it uses less digits than its factorization.

20222202021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111101010563.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20222202021122 its reverse (22112020222202), we get a palindrome (42334222243324).

The spelling of 20222202021122 in words is "twenty trillion, two hundred twenty-two billion, two hundred two million, twenty-one thousand, one hundred twenty-two".