11202311242 has 4 divisors (see below), whose sum is σ = 16803466866. Its totient is φ = 5601155620.

The previous prime is 11202311233. The next prime is 11202311243. The reversal of 11202311242 is 24211320211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24211320211 = 13 ⋅1862409247.

It can be written as a sum of positive squares in only one way, i.e., 9405314361 + 1796996881 = 96981^2 + 42391^2 .

It is not an unprimeable number, because it can be changed into a prime (11202311243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800577809 + ... + 2800577812.

Almost surely, 2^11202311242 is an apocalyptic number.

11202311242 is a deficient number, since it is larger than the sum of its proper divisors (5601155624).

11202311242 is an equidigital number, since it uses as much as digits as its factorization.

11202311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601155623.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11202311242 its reverse (24211320211), we get a palindrome (35413631453).

The spelling of 11202311242 in words is "eleven billion, two hundred two million, three hundred eleven thousand, two hundred forty-two".