11212003112011 has 16 divisors (see below), whose sum is σ = 12078999172800. Its totient is φ = 10345655668608.

The previous prime is 11212003111997. The next prime is 11212003112029. The reversal of 11212003112011 is 11021130021211.

It is a happy number.

It is not a de Polignac number, because 11212003112011 - 2¹¹ = 11212003109963 is a prime.

It is a super-2 number, since 2×11212003112011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212003112111) 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, 468932925 + ... + 468956833.

It is an arithmetic number, because the mean of its divisors is an integer number (754937448300).

Almost surely, 2^{11212003112011} is an apocalyptic number.

11212003112011 is a deficient number, since it is larger than the sum of its proper divisors (866996060789).

11212003112011 is a wasteful number, since it uses less digits than its factorization.

11212003112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35958.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11212003112011 its reverse (11021130021211), we get a palindrome (22233133133222).

The spelling of 11212003112011 in words is "eleven trillion, two hundred twelve billion, three million, one hundred twelve thousand, eleven".