11331213202 has 4 divisors (see below), whose sum is σ = 16996819806. Its totient is φ = 5665606600.

The previous prime is 11331213109. The next prime is 11331213209. The reversal of 11331213202 is 20231213311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20231213311 = 2621 ⋅7718891.

It can be written as a sum of positive squares in only one way, i.e., 10859932521 + 471280681 = 104211^2 + 21709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11331213202.

It is not an unprimeable number, because it can be changed into a prime (11331213209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832803299 + ... + 2832803302.

Almost surely, 2^11331213202 is an apocalyptic number.

11331213202 is a deficient number, since it is larger than the sum of its proper divisors (5665606604).

11331213202 is an equidigital number, since it uses as much as digits as its factorization.

11331213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665606603.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11331213202 its reverse (20231213311), we get a palindrome (31562426513).

The spelling of 11331213202 in words is "eleven billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred two".