11012121646203 has 16 divisors (see below), whose sum is σ = 15321320513280. Its totient is φ = 7022173096224.

The previous prime is 11012121646189. The next prime is 11012121646429. The reversal of 11012121646203 is 30264612121011.

It is not a de Polignac number, because 11012121646203 - 2⁶ = 11012121646139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012121646103) 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 15 ways as a sum of consecutive naturals, for example, 11043228 + ... + 11999046.

It is an arithmetic number, because the mean of its divisors is an integer number (957582532080).

Almost surely, 2^{11012121646203} is an apocalyptic number.

11012121646203 is a deficient number, since it is larger than the sum of its proper divisors (4309198867077).

11012121646203 is a wasteful number, since it uses less digits than its factorization.

11012121646203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122818.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 11012121646203 its reverse (30264612121011), we get a palindrome (41276733767214).

The spelling of 11012121646203 in words is "eleven trillion, twelve billion, one hundred twenty-one million, six hundred forty-six thousand, two hundred three".