11102204121 has 16 divisors (see below), whose sum is σ = 15454464000. Its totient is φ = 7076036880.

The previous prime is 11102204111. The next prime is 11102204131. The reversal of 11102204121 is 12140220111.

It is an interprime number because it is at equal distance from previous prime (11102204111) and next prime (11102204131).

It is not a de Polignac number, because 11102204121 - 2⁷ = 11102203993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11102204121.

It is not an unprimeable number, because it can be changed into a prime (11102204101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97686 + ... + 178176.

It is an arithmetic number, because the mean of its divisors is an integer number (965904000).

Almost surely, 2^11102204121 is an apocalyptic number.

It is an amenable number.

11102204121 is a deficient number, since it is larger than the sum of its proper divisors (4352259879).

11102204121 is a wasteful number, since it uses less digits than its factorization.

11102204121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82516.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11102204121 its reverse (12140220111), we get a palindrome (23242424232).

The spelling of 11102204121 in words is "eleven billion, one hundred two million, two hundred four thousand, one hundred twenty-one".