11102122120 has 16 divisors (see below), whose sum is σ = 24979774860. Its totient is φ = 4440848832.

The previous prime is 11102122117. The next prime is 11102122121. The reversal of 11102122120 is 2122120111.

It can be written as a sum of positive squares in 2 ways, for example, as 11101993956 + 128164 = 105366^2 + 358^2 .

It is a super-3 number, since 3×11102122120³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11102122120.

It is not an unprimeable number, because it can be changed into a prime (11102122121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138776487 + ... + 138776566.

Almost surely, 2^11102122120 is an apocalyptic number.

11102122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102122120 is an abundant number, since it is smaller than the sum of its proper divisors (13877652740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11102122120 is a wasteful number, since it uses less digits than its factorization.

11102122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277553064 (or 277553060 counting only the distinct ones).

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

Adding to 11102122120 its reverse (2122120111), we get a palindrome (13224242231).

The spelling of 11102122120 in words is "eleven billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty".