201112012011 has 8 divisors (see below), whose sum is σ = 268185328960. Its totient is φ = 134056684872.

The previous prime is 201112011959. The next prime is 201112012019. The reversal of 201112012011 is 110210211102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201112012011 - 2⁷ = 201112011883 is a prime.

It is a super-2 number, since 2×201112012011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112012019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471345 + ... + 4516098.

It is an arithmetic number, because the mean of its divisors is an integer number (33523166120).

Almost surely, 2^201112012011 is an apocalyptic number.

201112012011 is a deficient number, since it is larger than the sum of its proper divisors (67073316949).

201112012011 is an equidigital number, since it uses as much as digits as its factorization.

201112012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994905.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201112012011 its reverse (110210211102), we get a palindrome (311322223113).

The spelling of 201112012011 in words is "two hundred one billion, one hundred twelve million, twelve thousand, eleven".