11012211003 has 32 divisors (see below), whose sum is σ = 15396820992. Its totient is φ = 6992697600.

The previous prime is 11012210987. The next prime is 11012211043. The reversal of 11012211003 is 30011221011.

It is not a de Polignac number, because 11012211003 - 2⁴ = 11012210987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11012211003.

It is not an unprimeable number, because it can be changed into a prime (11012211043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166501 + ... + 2171577.

It is an arithmetic number, because the mean of its divisors is an integer number (481150656).

Almost surely, 2^11012211003 is an apocalyptic number.

11012211003 is a deficient number, since it is larger than the sum of its proper divisors (4384609989).

11012211003 is a wasteful number, since it uses less digits than its factorization.

11012211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11012211003 its reverse (30011221011), we get a palindrome (41023432014).

The spelling of 11012211003 in words is "eleven billion, twelve million, two hundred eleven thousand, three".