11331201001011 has 32 divisors (see below), whose sum is σ = 15557157623616. Its totient is φ = 7330777344000.

The previous prime is 11331201000943. The next prime is 11331201001031. The reversal of 11331201001011 is 11010010213311.

It is not a de Polignac number, because 11331201001011 - 2¹¹ = 11331200998963 is a prime.

It is a super-2 number, since 2×11331201001011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11331201001031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79255951 + ... + 79398791.

It is an arithmetic number, because the mean of its divisors is an integer number (486161175738).

Almost surely, 2^{11331201001011} is an apocalyptic number.

11331201001011 is a deficient number, since it is larger than the sum of its proper divisors (4225956622605).

11331201001011 is a wasteful number, since it uses less digits than its factorization.

11331201001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144743.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11331201001011 its reverse (11010010213311), we get a palindrome (22341211214322).

The spelling of 11331201001011 in words is "eleven trillion, three hundred thirty-one billion, two hundred one million, one thousand, eleven".