11031203012011 has 64 divisors (see below), whose sum is σ = 14326964709120. Its totient is φ = 8258237245440.

The previous prime is 11031203011967. The next prime is 11031203012107. The reversal of 11031203012011 is 11021030213011.

It is a happy number.

It is not a de Polignac number, because 11031203012011 - 2⁷ = 11031203011883 is a prime.

It is a super-2 number, since 2×11031203012011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11031203012311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119260321 + ... + 119352781.

It is an arithmetic number, because the mean of its divisors is an integer number (223858823580).

Almost surely, 2^{11031203012011} is an apocalyptic number.

11031203012011 is a deficient number, since it is larger than the sum of its proper divisors (3295761697109).

11031203012011 is a wasteful number, since it uses less digits than its factorization.

11031203012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93416.

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

Adding to 11031203012011 its reverse (11021030213011), we get a palindrome (22052233225022).

The spelling of 11031203012011 in words is "eleven trillion, thirty-one billion, two hundred three million, twelve thousand, eleven".