20111122222022 has 32 divisors (see below), whose sum is σ = 32774212880640. Its totient is φ = 9200220924960.

The previous prime is 20111122222019. The next prime is 20111122222057. The reversal of 20111122222022 is 22022222111102.

It is a junction number, because it is equal to n+sod(n) for n = 20111122221985 and 20111122222003.

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 15 ways as a sum of consecutive naturals, for example, 661208 + ... + 6376475.

It is an arithmetic number, because the mean of its divisors is an integer number (1024194152520).

Almost surely, 2^{20111122222022} is an apocalyptic number.

20111122222022 is a deficient number, since it is larger than the sum of its proper divisors (12663090658618).

20111122222022 is a wasteful number, since it uses less digits than its factorization.

20111122222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038668.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20111122222022 its reverse (22022222111102), we get a palindrome (42133344333124).

The spelling of 20111122222022 in words is "twenty trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".