201112120011 has 32 divisors (see below), whose sum is σ = 304917043968. Its totient is φ = 116821837440.

The previous prime is 201112120007. The next prime is 201112120093. The reversal of 201112120011 is 110021211102.

It is not a de Polignac number, because 201112120011 - 2² = 201112120007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201112120711) 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, 1147380 + ... + 1310993.

It is an arithmetic number, because the mean of its divisors is an integer number (9528657624).

Almost surely, 2^201112120011 is an apocalyptic number.

201112120011 is a deficient number, since it is larger than the sum of its proper divisors (103804923957).

201112120011 is a wasteful number, since it uses less digits than its factorization.

201112120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458491.

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

Adding to 201112120011 its reverse (110021211102), we get a palindrome (311133331113).

It can be divided in two parts, 201112 and 120011, that added together give a palindrome (321123).

The spelling of 201112120011 in words is "two hundred one billion, one hundred twelve million, one hundred twenty thousand, eleven".