201120111210011 has 4 divisors (see below), whose sum is σ = 229851555668592. Its totient is φ = 172388666751432.

The previous prime is 201120111209981. The next prime is 201120111210019. The reversal of 201120111210011 is 110012111021102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201120111210011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120111210019) 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, 14365722229280 + ... + 14365722229293.

It is an arithmetic number, because the mean of its divisors is an integer number (57462888917148).

Almost surely, 2^{201120111210011} is an apocalyptic number.

201120111210011 is a deficient number, since it is larger than the sum of its proper divisors (28731444458581).

201120111210011 is an equidigital number, since it uses as much as digits as its factorization.

201120111210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731444458580.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201120111210011 its reverse (110012111021102), we get a palindrome (311132222231113).

The spelling of 201120111210011 in words is "two hundred one trillion, one hundred twenty billion, one hundred eleven million, two hundred ten thousand, eleven".