201111111102 has 16 divisors (see below), whose sum is σ = 438787878912. Its totient is φ = 60942760920.

The previous prime is 201111111101. The next prime is 201111111109.

201111111102 is nontrivially palindromic in base 10.

201111111102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523568958 + ... + 1523569089.

It is an arithmetic number, because the mean of its divisors is an integer number (27424242432).

Almost surely, 2^201111111102 is an apocalyptic number.

201111111102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201111111102 is an abundant number, since it is smaller than the sum of its proper divisors (237676767810).

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

201111111102 is a wasteful number, since it uses less digits than its factorization.

201111111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047138063.

The product of its (nonzero) digits is 4, while the sum is 12.

It can be divided in two parts, 201111 and 111102, that multiplied together give a palindrome (22343834322).

The spelling of 201111111102 in words is "two hundred one billion, one hundred eleven million, one hundred eleven thousand, one hundred two".