2211665213003 has 16 divisors (see below), whose sum is σ = 2291391918816. Its totient is φ = 2133321200640.

The previous prime is 2211665212943. The next prime is 2211665213029. The reversal of 2211665213003 is 3003125661122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211665213003 - 2²⁸ = 2211396777547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211665213083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347725 + ... + 2497937.

It is an arithmetic number, because the mean of its divisors is an integer number (143211994926).

Almost surely, 2^{2211665213003} is an apocalyptic number.

2211665213003 is a deficient number, since it is larger than the sum of its proper divisors (79726705813).

2211665213003 is a wasteful number, since it uses less digits than its factorization.

2211665213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150814.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 2211665213003 in words is "two trillion, two hundred eleven billion, six hundred sixty-five million, two hundred thirteen thousand, three".