20111101100122 has 32 divisors (see below), whose sum is σ = 31985832256704. Its totient is φ = 9450820704000.

The previous prime is 20111101100093. The next prime is 20111101100177. The reversal of 20111101100122 is 22100110111102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70658997 + ... + 70943047.

It is an arithmetic number, because the mean of its divisors is an integer number (999557258022).

Almost surely, 2^{20111101100122} is an apocalyptic number.

20111101100122 is a deficient number, since it is larger than the sum of its proper divisors (11874731156582).

20111101100122 is a wasteful number, since it uses less digits than its factorization.

20111101100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286974.

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

Adding to 20111101100122 its reverse (22100110111102), we get a palindrome (42211211211224).

The spelling of 20111101100122 in words is "twenty trillion, one hundred eleven billion, one hundred one million, one hundred thousand, one hundred twenty-two".