201112121200011 has 32 divisors (see below), whose sum is σ = 306975888984576. Its totient is φ = 114726477600000.

The previous prime is 201112121199911. The next prime is 201112121200013. The reversal of 201112121200011 is 110002121211102.

It is a happy number.

It is not a de Polignac number, because 201112121200011 - 2²³ = 201112112811403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201112121200013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443287836 + ... + 443741286.

It is an arithmetic number, because the mean of its divisors is an integer number (9592996530768).

Almost surely, 2^{201112121200011} is an apocalyptic number.

201112121200011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201112121200011 is a deficient number, since it is larger than the sum of its proper divisors (105863767784565).

201112121200011 is a wasteful number, since it uses less digits than its factorization.

201112121200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489203.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201112121200011 its reverse (110002121211102), we get a palindrome (311114242411113).

The spelling of 201112121200011 in words is "two hundred one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, eleven".