11202121212168 has 32 divisors (see below), whose sum is σ = 28007284032000. Its totient is φ = 3733776270528.

The previous prime is 11202121212103. The next prime is 11202121212169. The reversal of 11202121212168 is 86121212120211.

It is not an unprimeable number, because it can be changed into a prime (11202121212169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16161843 + ... + 16840706.

It is an arithmetic number, because the mean of its divisors is an integer number (875227626000).

Almost surely, 2^{11202121212168} is an apocalyptic number.

It is an amenable number.

11202121212168 is an abundant number, since it is smaller than the sum of its proper divisors (16805162819832).

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

11202121212168 is a wasteful number, since it uses less digits than its factorization.

11202121212168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33016701 (or 33016697 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

Adding to 11202121212168 its reverse (86121212120211), we get a palindrome (97323333332379).

The spelling of 11202121212168 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred sixty-eight".