20021101110222 has 16 divisors (see below), whose sum is σ = 40112575166160. Its totient is φ = 6661971545792.

The previous prime is 20021101110173. The next prime is 20021101110259. The reversal of 20021101110222 is 22201110112002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2932202373 + ... + 2932209200.

It is an arithmetic number, because the mean of its divisors is an integer number (2507035947885).

Almost surely, 2^{20021101110222} is an apocalyptic number.

20021101110222 is an abundant number, since it is smaller than the sum of its proper divisors (20091474055938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021101110222 is a wasteful number, since it uses less digits than its factorization.

20021101110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864412147.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20021101110222 its reverse (22201110112002), we get a palindrome (42222211222224).

The spelling of 20021101110222 in words is "twenty trillion, twenty-one billion, one hundred one million, one hundred ten thousand, two hundred twenty-two".