11111121202 has 8 divisors (see below), whose sum is σ = 16717035312. Its totient is φ = 5538776100.

The previous prime is 11111121193. The next prime is 11111121209. The reversal of 11111121202 is 20212111111.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11111121209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8391424 + ... + 8392747.

It is an arithmetic number, because the mean of its divisors is an integer number (2089629414).

Almost surely, 2^11111121202 is an apocalyptic number.

11111121202 is a deficient number, since it is larger than the sum of its proper divisors (5605914110).

11111121202 is a wasteful number, since it uses less digits than its factorization.

11111121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16784504.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111121202 its reverse (20212111111), we get a palindrome (31323232313).

The spelling of 11111121202 in words is "eleven billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".