20111111110122 has 16 divisors (see below), whose sum is σ = 40222270371072. Its totient is φ = 6703695678240.

The previous prime is 20111111110117. The next prime is 20111111110151. The reversal of 20111111110122 is 22101111111102.

It is a super-3 number, since 3×20111111110122³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5700903 + ... + 8527749.

It is an arithmetic number, because the mean of its divisors is an integer number (2513891898192).

Almost surely, 2^{20111111110122} is an apocalyptic number.

20111111110122 is an abundant number, since it is smaller than the sum of its proper divisors (20111159260950).

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

20111111110122 is a wasteful number, since it uses less digits than its factorization.

20111111110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012573.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 20111111110122 its reverse (22101111111102), we get a palindrome (42212222221224).

The spelling of 20111111110122 in words is "twenty trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-two".