20102220111122 has 16 divisors (see below), whose sum is σ = 31475748787200. Its totient is φ = 9617589901920.

The previous prime is 20102220111121. The next prime is 20102220111179. The reversal of 20102220111122 is 22111102220102.

It is a self number, because there is not a number n which added to its sum of digits gives 20102220111122.

It is not an unprimeable number, because it can be changed into a prime (20102220111121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821507722 + ... + 1821518757.

It is an arithmetic number, because the mean of its divisors is an integer number (1967234299200).

Almost surely, 2^{20102220111122} is an apocalyptic number.

20102220111122 is a deficient number, since it is larger than the sum of its proper divisors (11373528676078).

20102220111122 is a wasteful number, since it uses less digits than its factorization.

20102220111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643026601.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20102220111122 its reverse (22111102220102), we get a palindrome (42213322331224).

The spelling of 20102220111122 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty-two".