11000213121 has 8 divisors (see below), whose sum is σ = 15024681504. Its totient is φ = 7154610080.

The previous prime is 11000213117. The next prime is 11000213141. The reversal of 11000213121 is 12131200011.

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 11000213121 - 2² = 11000213117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000213097 and 11000213106.

It is not an unprimeable number, because it can be changed into a prime (11000213141) 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, 44716191 + ... + 44716436.

It is an arithmetic number, because the mean of its divisors is an integer number (1878085188).

Almost surely, 2^11000213121 is an apocalyptic number.

It is an amenable number.

11000213121 is a deficient number, since it is larger than the sum of its proper divisors (4024468383).

11000213121 is an equidigital number, since it uses as much as digits as its factorization.

11000213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89432671.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11000213121 its reverse (12131200011), we get a palindrome (23131413132).

The spelling of 11000213121 in words is "eleven billion, two hundred thirteen thousand, one hundred twenty-one".