11212011222003 has 16 divisors (see below), whose sum is σ = 16611899256960. Its totient is φ = 7473993630408.

The previous prime is 11212011221969. The next prime is 11212011222023. The reversal of 11212011222003 is 30022211021211.

It is not a de Polignac number, because 11212011222003 - 2⁹ = 11212011221491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212011222023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18601125 + ... + 19194422.

It is an arithmetic number, because the mean of its divisors is an integer number (1038243703560).

Almost surely, 2^{11212011222003} is an apocalyptic number.

11212011222003 is a deficient number, since it is larger than the sum of its proper divisors (5399888034957).

11212011222003 is a wasteful number, since it uses less digits than its factorization.

11212011222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37806543 (or 37806537 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11212011222003 its reverse (30022211021211), we get a palindrome (41234222243214).

The spelling of 11212011222003 in words is "eleven trillion, two hundred twelve billion, eleven million, two hundred twenty-two thousand, three".