201102110122011 has 64 divisors (see below), whose sum is σ = 330451873274880. Its totient is φ = 106207341557760.

The previous prime is 201102110121989. The next prime is 201102110122019. The reversal of 201102110122011 is 110221011201102.

It is a happy number.

It is not a de Polignac number, because 201102110122011 - 2⁶ = 201102110121947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201102110122019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 389298751 + ... + 389814983.

It is an arithmetic number, because the mean of its divisors is an integer number (5163310519920).

Almost surely, 2^{201102110122011} is an apocalyptic number.

201102110122011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201102110122011 is a deficient number, since it is larger than the sum of its proper divisors (129349763152869).

201102110122011 is a wasteful number, since it uses less digits than its factorization.

201102110122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540116.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201102110122011 its reverse (110221011201102), we get a palindrome (311323121323113).

The spelling of 201102110122011 in words is "two hundred one trillion, one hundred two billion, one hundred ten million, one hundred twenty-two thousand, eleven".