11212001223011 has 8 divisors (see below), whose sum is σ = 11424695091264. Its totient is φ = 10999349824320.

The previous prime is 11212001222971. The next prime is 11212001223029. The reversal of 11212001223011 is 11032210021211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212001223011 is a prime.

It is a super-2 number, since 2×11212001223011² (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 (11212001223061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10084130 + ... + 11140631.

It is an arithmetic number, because the mean of its divisors is an integer number (1428086886408).

Almost surely, 2^{11212001223011} is an apocalyptic number.

11212001223011 is a deficient number, since it is larger than the sum of its proper divisors (212693868253).

11212001223011 is an equidigital number, since it uses as much as digits as its factorization.

11212001223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234781.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11212001223011 its reverse (11032210021211), we get a palindrome (22244211244222).

The spelling of 11212001223011 in words is "eleven trillion, two hundred twelve billion, one million, two hundred twenty-three thousand, eleven".