11011212002011 has 8 divisors (see below), whose sum is σ = 11858328823824. Its totient is φ = 10164109539360.

The previous prime is 11011212001963. The next prime is 11011212002017. The reversal of 11011212002011 is 11020021211011.

It is a happy number.

11011212002011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11011212002011 - 2⁹ = 11011212001499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011212001982 and 11011212002000.

It is not an unprimeable number, because it can be changed into a prime (11011212002017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970041 + ... + 5089546.

It is an arithmetic number, because the mean of its divisors is an integer number (1482291102978).

Almost surely, 2^{11011212002011} is an apocalyptic number.

11011212002011 is a deficient number, since it is larger than the sum of its proper divisors (847116821813).

11011212002011 is a wasteful number, since it uses less digits than its factorization.

11011212002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179581.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11011212002011 its reverse (11020021211011), we get a palindrome (22031233213022).

The spelling of 11011212002011 in words is "eleven trillion, eleven billion, two hundred twelve million, two thousand, eleven".