201102111220011 has 32 divisors (see below), whose sum is σ = 269918865216000. Its totient is φ = 133179809518080.

The previous prime is 201102111220001. The next prime is 201102111220013. The reversal of 201102111220011 is 110022111201102.

It is a happy number.

It is not a de Polignac number, because 201102111220011 - 2²⁵ = 201102077665579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201102111220013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1847139085 + ... + 1847247953.

It is an arithmetic number, because the mean of its divisors is an integer number (8434964538000).

Almost surely, 2^{201102111220011} is an apocalyptic number.

201102111220011 is a deficient number, since it is larger than the sum of its proper divisors (68816753995989).

201102111220011 is a wasteful number, since it uses less digits than its factorization.

201102111220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115939.

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

Adding to 201102111220011 its reverse (110022111201102), we get a palindrome (311124222421113).

The spelling of 201102111220011 in words is "two hundred one trillion, one hundred two billion, one hundred eleven million, two hundred twenty thousand, eleven".