20021122110250 has 32 divisors (see below), whose sum is σ = 37829816721216. Its totient is φ = 7933603517200.

The previous prime is 20021122110167. The next prime is 20021122110251. The reversal of 20021122110250 is 5201122112002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20021122110251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374199832 + ... + 374253331.

It is an arithmetic number, because the mean of its divisors is an integer number (1182181772538).

Almost surely, 2^{20021122110250} is an apocalyptic number.

20021122110250 is a deficient number, since it is larger than the sum of its proper divisors (17808694610966).

20021122110250 is a wasteful number, since it uses less digits than its factorization.

20021122110250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748453287 (or 748453277 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 20021122110250 its reverse (5201122112002), we get a palindrome (25222244222252).

The spelling of 20021122110250 in words is "twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred ten thousand, two hundred fifty".