11211121202003 has 8 divisors (see below), whose sum is σ = 11707119122688. Its totient is φ = 10715836437064.

The previous prime is 11211121201979. The next prime is 11211121202009. The reversal of 11211121202003 is 30020212111211.

It is a happy number.

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

It is not a de Polignac number, because 11211121202003 - 2⁶ = 11211121201939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211121202009) 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, 178256801 + ... + 178319682.

It is an arithmetic number, because the mean of its divisors is an integer number (1463389890336).

Almost surely, 2^{11211121202003} is an apocalyptic number.

11211121202003 is a deficient number, since it is larger than the sum of its proper divisors (495997920685).

11211121202003 is a wasteful number, since it uses less digits than its factorization.

11211121202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356577873.

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

Adding to 11211121202003 its reverse (30020212111211), we get a palindrome (41231333313214).

The spelling of 11211121202003 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-one million, two hundred two thousand, three".