11321200121 has 8 divisors (see below), whose sum is σ = 14114743104. Its totient is φ = 8821714320.

The previous prime is 11321200087. The next prime is 11321200123. The reversal of 11321200121 is 12100212311.

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

It is a cyclic number.

It is not a de Polignac number, because 11321200121 - 2²⁶ = 11254091257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321200096 and 11321200105.

It is not an unprimeable number, because it can be changed into a prime (11321200123) 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, 73514210 + ... + 73514363.

It is an arithmetic number, because the mean of its divisors is an integer number (1764342888).

Almost surely, 2^11321200121 is an apocalyptic number.

11321200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11321200121 is a deficient number, since it is larger than the sum of its proper divisors (2793542983).

11321200121 is a wasteful number, since it uses less digits than its factorization.

11321200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147028591.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11321200121 its reverse (12100212311), we get a palindrome (23421412432).

The spelling of 11321200121 in words is "eleven billion, three hundred twenty-one million, two hundred thousand, one hundred twenty-one".