11001302121 has 8 divisors (see below), whose sum is σ = 14687937664. Its totient is φ = 7324434000.

The previous prime is 11001302087. The next prime is 11001302141. The reversal of 11001302121 is 12120310011.

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

It is not a de Polignac number, because 11001302121 - 2⁶ = 11001302057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001302097 and 11001302106.

It is not an unprimeable number, because it can be changed into a prime (11001302141) 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, 2439226 + ... + 2443731.

It is an arithmetic number, because the mean of its divisors is an integer number (1835992208).

Almost surely, 2^11001302121 is an apocalyptic number.

It is an amenable number.

11001302121 is a deficient number, since it is larger than the sum of its proper divisors (3686635543).

11001302121 is an equidigital number, since it uses as much as digits as its factorization.

11001302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883711.

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

Adding to 11001302121 its reverse (12120310011), we get a palindrome (23121612132).

The spelling of 11001302121 in words is "eleven billion, one million, three hundred two thousand, one hundred twenty-one".