11121120202 has 8 divisors (see below), whose sum is σ = 16708718916. Its totient is φ = 5551547232.

The previous prime is 11121120191. The next prime is 11121120211. The reversal of 11121120202 is 20202112111.

It can be written as a sum of positive squares in 2 ways, for example, as 9194700321 + 1926419881 = 95889^2 + 43891^2 .

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, 4504893 + ... + 4507360.

Almost surely, 2^11121120202 is an apocalyptic number.

11121120202 is a deficient number, since it is larger than the sum of its proper divisors (5587598714).

11121120202 is an equidigital number, since it uses as much as digits as its factorization.

11121120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012872.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11121120202 its reverse (20202112111), we get a palindrome (31323232313).

The spelling of 11121120202 in words is "eleven billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".