20011101110122 has 64 divisors (see below), whose sum is σ = 31645404311040. Its totient is φ = 9481671074304.

The previous prime is 20011101110051. The next prime is 20011101110129. The reversal of 20011101110122 is 22101110111002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20011101110129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 231854008 + ... + 231940300.

It is an arithmetic number, because the mean of its divisors is an integer number (494459442360).

Almost surely, 2^{20011101110122} is an apocalyptic number.

20011101110122 is a deficient number, since it is larger than the sum of its proper divisors (11634303200918).

20011101110122 is a wasteful number, since it uses less digits than its factorization.

20011101110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87007.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20011101110122 its reverse (22101110111002), we get a palindrome (42112211221124).

The spelling of 20011101110122 in words is "twenty trillion, eleven billion, one hundred one million, one hundred ten thousand, one hundred twenty-two".