20103111222 has 32 divisors (see below), whose sum is σ = 41961853440. Its totient is φ = 6408536640.

The previous prime is 20103111221. The next prime is 20103111227. The reversal of 20103111222 is 22211130102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100322 + ... + 1118442.

It is an arithmetic number, because the mean of its divisors is an integer number (1311307920).

Almost surely, 2^20103111222 is an apocalyptic number.

20103111222 is an abundant number, since it is smaller than the sum of its proper divisors (21858742218).

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

20103111222 is a wasteful number, since it uses less digits than its factorization.

20103111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26188.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20103111222 its reverse (22211130102), we get a palindrome (42314241324).

The spelling of 20103111222 in words is "twenty billion, one hundred three million, one hundred eleven thousand, two hundred twenty-two".