11121204121001 has 8 divisors (see below), whose sum is σ = 11989886094144. Its totient is φ = 10254408538320.

The previous prime is 11121204120997. The next prime is 11121204121037. The reversal of 11121204121001 is 10012140212111.

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 11121204121001 - 2² = 11121204120997 is a prime.

It is a super-2 number, since 2×11121204121001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121204121081) 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, 471585365 + ... + 471608946.

It is an arithmetic number, because the mean of its divisors is an integer number (1498735761768).

Almost surely, 2^{11121204121001} is an apocalyptic number.

It is an amenable number.

11121204121001 is a deficient number, since it is larger than the sum of its proper divisors (868681973143).

11121204121001 is an equidigital number, since it uses as much as digits as its factorization.

11121204121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943195231.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121204121001 its reverse (10012140212111), we get a palindrome (21133344333112).

The spelling of 11121204121001 in words is "eleven trillion, one hundred twenty-one billion, two hundred four million, one hundred twenty-one thousand, one".