11031211002 has 64 divisors (see below), whose sum is σ = 25665868800. Its totient is φ = 3095418240.

The previous prime is 11031210929. The next prime is 11031211003. The reversal of 11031211002 is 20011213011.

It is not an unprimeable number, because it can be changed into a prime (11031211003) 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, 5175477 + ... + 5177607.

It is an arithmetic number, because the mean of its divisors is an integer number (401029200).

Almost surely, 2^11031211002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031211002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12832934400).

11031211002 is an abundant number, since it is smaller than the sum of its proper divisors (14634657798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031211002 is a wasteful number, since it uses less digits than its factorization.

11031211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291.

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

Adding to 11031211002 its reverse (20011213011), we get a palindrome (31042424013).

The spelling of 11031211002 in words is "eleven billion, thirty-one million, two hundred eleven thousand, two".