201111111101012 has 48 divisors (see below), whose sum is σ = 407486024846208. Its totient is φ = 85067902531200.

The previous prime is 201111111100829. The next prime is 201111111101063. The reversal of 201111111101012 is 210101111111102.

201111111101012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×201111111101012³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent 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, 111271118 + ... + 113064069.

It is an arithmetic number, because the mean of its divisors is an integer number (8489292184296).

Almost surely, 2^{201111111101012} is an apocalyptic number.

It is an amenable number.

201111111101012 is an abundant number, since it is smaller than the sum of its proper divisors (206374913745196).

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

201111111101012 is a wasteful number, since it uses less digits than its factorization.

201111111101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224335616 (or 224335614 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 201111111101012 its reverse (210101111111102), we get a palindrome (411212222212114).

The spelling of 201111111101012 in words is "two hundred one trillion, one hundred eleven billion, one hundred eleven million, one hundred one thousand, twelve".