11101111121201 has 4 divisors (see below), whose sum is σ = 11685380127600. Its totient is φ = 10516842114804.

The previous prime is 11101111121161. The next prime is 11101111121341. The reversal of 11101111121201 is 10212111110111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11101111121201 - 2¹⁴ = 11101111104817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101111121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292134503171 + ... + 292134503208.

It is an arithmetic number, because the mean of its divisors is an integer number (2921345031900).

Almost surely, 2^{11101111121201} is an apocalyptic number.

It is an amenable number.

11101111121201 is a deficient number, since it is larger than the sum of its proper divisors (584269006399).

11101111121201 is an equidigital number, since it uses as much as digits as its factorization.

11101111121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584269006398.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11101111121201 its reverse (10212111110111), we get a palindrome (21313222231312).

The spelling of 11101111121201 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred one".