201102120011 has 16 divisors (see below), whose sum is σ = 218010012864. Its totient is φ = 184400371584.

The previous prime is 201102119989. The next prime is 201102120073. The reversal of 201102120011 is 110021201102.

It is a de Polignac number, because none of the positive numbers 2^k-201102120011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201102119974 and 201102120001.

It is not an unprimeable number, because it can be changed into a prime (201102120091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9016205 + ... + 9038481.

It is an arithmetic number, because the mean of its divisors is an integer number (13625625804).

Almost surely, 2^201102120011 is an apocalyptic number.

201102120011 is a deficient number, since it is larger than the sum of its proper divisors (16907892853).

201102120011 is a wasteful number, since it uses less digits than its factorization.

201102120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26870.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201102120011 its reverse (110021201102), we get a palindrome (311123321113).

The spelling of 201102120011 in words is "two hundred one billion, one hundred two million, one hundred twenty thousand, eleven".