11131213202 has 8 divisors (see below), whose sum is σ = 17272572300. Its totient is φ = 5373689104.

The previous prime is 11131213091. The next prime is 11131213211. The reversal of 11131213202 is 20231213111.

It can be written as a sum of positive squares in 2 ways, for example, as 10352859001 + 778354201 = 101749^2 + 27899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95958677 + ... + 95958792.

Almost surely, 2^11131213202 is an apocalyptic number.

11131213202 is a deficient number, since it is larger than the sum of its proper divisors (6141359098).

11131213202 is a wasteful number, since it uses less digits than its factorization.

11131213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191917500.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11131213202 its reverse (20231213111), we get a palindrome (31362426313).

Subtracting 11131213202 from its reverse (20231213111), we obtain a palindrome (9099999909).

The spelling of 11131213202 in words is "eleven billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred two".