11131021202 has 48 divisors (see below), whose sum is σ = 19920138840. Its totient is φ = 4648492800.

The previous prime is 11131021183. The next prime is 11131021211. The reversal of 11131021202 is 20212013111.

It can be written as a sum of positive squares in 4 ways, for example, as 6494909281 + 4636111921 = 80591^2 + 68089^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6512324 + ... + 6514032.

Almost surely, 2^11131021202 is an apocalyptic number.

11131021202 is a deficient number, since it is larger than the sum of its proper divisors (8789117638).

11131021202 is a wasteful number, since it uses less digits than its factorization.

11131021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11131021202 its reverse (20212013111), we get a palindrome (31343034313).

The spelling of 11131021202 in words is "eleven billion, one hundred thirty-one million, twenty-one thousand, two hundred two".