20211120112222 has 32 divisors (see below), whose sum is σ = 34579219725792. Its totient is φ = 8776958121984.

The previous prime is 20211120112163. The next prime is 20211120112243. The reversal of 20211120112222 is 22221102111202.

It is a self number, because there is not a number n which added to its sum of digits gives 20211120112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062123 + ... + 8126950.

It is an arithmetic number, because the mean of its divisors is an integer number (1080600616431).

Almost surely, 2^{20211120112222} is an apocalyptic number.

20211120112222 is a deficient number, since it is larger than the sum of its proper divisors (14368099613570).

20211120112222 is a wasteful number, since it uses less digits than its factorization.

20211120112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13192572.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20211120112222 its reverse (22221102111202), we get a palindrome (42432222223424).

The spelling of 20211120112222 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-two".