201210000112111 has 4 divisors (see below), whose sum is σ = 203284330010272. Its totient is φ = 199135670213952.

The previous prime is 201210000112013. The next prime is 201210000112151. The reversal of 201210000112111 is 111211000012102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201210000112111 - 2⁹ = 201210000111599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201210000112091 and 201210000112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210000112151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037164948935 + ... + 1037164949128.

It is an arithmetic number, because the mean of its divisors is an integer number (50821082502568).

Almost surely, 2^{201210000112111} is an apocalyptic number.

201210000112111 is a deficient number, since it is larger than the sum of its proper divisors (2074329898161).

201210000112111 is an equidigital number, since it uses as much as digits as its factorization.

201210000112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074329898160.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201210000112111 its reverse (111211000012102), we get a palindrome (312421000124213).

The spelling of 201210000112111 in words is "two hundred one trillion, two hundred ten billion, one hundred twelve thousand, one hundred eleven".