11131111002 has 16 divisors (see below), whose sum is σ = 24286060512. Its totient is φ = 3373063920.

The previous prime is 11131110983. The next prime is 11131111037. The reversal of 11131111002 is 20011113111.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84326533 + ... + 84326664.

It is an arithmetic number, because the mean of its divisors is an integer number (1517878782).

Almost surely, 2^11131111002 is an apocalyptic number.

11131111002 is an abundant number, since it is smaller than the sum of its proper divisors (13154949510).

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

11131111002 is a wasteful number, since it uses less digits than its factorization.

11131111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168653213.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11131111002 its reverse (20011113111), we get a palindrome (31142224113).

It can be divided in two parts, 111 and 31111002, that added together give a palindrome (31111113).

The spelling of 11131111002 in words is "eleven billion, one hundred thirty-one million, one hundred eleven thousand, two".