201111101211102 has 32 divisors (see below), whose sum is σ = 402295697556480. Its totient is φ = 67024785189600.

The previous prime is 201111101211067. The next prime is 201111101211157. The reversal of 201111101211102 is 201112101111102.

It is a super-2 number, since 2×201111101211102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911123024 + ... + 1911228252.

It is an arithmetic number, because the mean of its divisors is an integer number (12571740548640).

Almost surely, 2^{201111101211102} is an apocalyptic number.

201111101211102 is an abundant number, since it is smaller than the sum of its proper divisors (201184596345378).

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

201111101211102 is a wasteful number, since it uses less digits than its factorization.

201111101211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160408.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201111101211102 its reverse (201112101111102), we get a palindrome (402223202322204).

The spelling of 201111101211102 in words is "two hundred one trillion, one hundred eleven billion, one hundred one million, two hundred eleven thousand, one hundred two".