11331020012011 has 16 divisors (see below), whose sum is σ = 13367701444608. Its totient is φ = 9398840472000.

The previous prime is 11331020011999. The next prime is 11331020012021. The reversal of 11331020012011 is 11021002013311.

It is a happy number.

It is not a de Polignac number, because 11331020012011 - 2³³ = 11322430077419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331020012021) 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, 13077876 + ... + 13917358.

It is an arithmetic number, because the mean of its divisors is an integer number (835481340288).

Almost surely, 2^{11331020012011} is an apocalyptic number.

11331020012011 is a deficient number, since it is larger than the sum of its proper divisors (2036681432597).

11331020012011 is an equidigital number, since it uses as much as digits as its factorization.

11331020012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901722.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11331020012011 its reverse (11021002013311), we get a palindrome (22352022025322).

The spelling of 11331020012011 in words is "eleven trillion, three hundred thirty-one billion, twenty million, twelve thousand, eleven".