201201011000111 has 4 divisors (see below), whose sum is σ = 201201313561224. Its totient is φ = 201200708439000.

The previous prime is 201201011000047. The next prime is 201201011000147. The reversal of 201201011000111 is 111000110102102.

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 201201011000111 - 2⁶ = 201201011000047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201201011000092 and 201201011000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201011000711) 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, 150280865 + ... + 151613786.

It is an arithmetic number, because the mean of its divisors is an integer number (50300328390306).

Almost surely, 2^{201201011000111} is an apocalyptic number.

201201011000111 is a deficient number, since it is larger than the sum of its proper divisors (302561113).

201201011000111 is an equidigital number, since it uses as much as digits as its factorization.

201201011000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302561112.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201201011000111 its reverse (111000110102102), we get a palindrome (312201121102213).

The spelling of 201201011000111 in words is "two hundred one trillion, two hundred one billion, eleven million, one hundred eleven", and thus it is an aban number.