11142211202 has 4 divisors (see below), whose sum is σ = 16713316806. Its totient is φ = 5571105600.

The previous prime is 11142211187. The next prime is 11142211243. The reversal of 11142211202 is 20211224111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20211224111 = 13 ⋅1554709547.

It can be written as a sum of positive squares in only one way, i.e., 8278998121 + 2863213081 = 90989^2 + 53509^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785552799 + ... + 2785552802.

Almost surely, 2^11142211202 is an apocalyptic number.

11142211202 is a deficient number, since it is larger than the sum of its proper divisors (5571105604).

11142211202 is an equidigital number, since it uses as much as digits as its factorization.

11142211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571105603.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11142211202 its reverse (20211224111), we get a palindrome (31353435313).

The spelling of 11142211202 in words is "eleven billion, one hundred forty-two million, two hundred eleven thousand, two hundred two".