11103212120001 has 8 divisors (see below), whose sum is σ = 14804324684544. Its totient is φ = 7402120484400.

The previous prime is 11103212119981. The next prime is 11103212120057. The reversal of 11103212120001 is 10002121230111.

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

It is not a de Polignac number, because 11103212120001 - 2⁵ = 11103212119969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11103212120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949425 + ... + 6148526.

It is an arithmetic number, because the mean of its divisors is an integer number (1850540585568).

Almost surely, 2^{11103212120001} is an apocalyptic number.

It is an amenable number.

11103212120001 is a deficient number, since it is larger than the sum of its proper divisors (3701112564543).

11103212120001 is a wasteful number, since it uses less digits than its factorization.

11103212120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10464471.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11103212120001 its reverse (10002121230111), we get a palindrome (21105333350112).

The spelling of 11103212120001 in words is "eleven trillion, one hundred three billion, two hundred twelve million, one hundred twenty thousand, one".