11221201011101 has 4 divisors (see below), whose sum is σ = 11459949968832. Its totient is φ = 10982452053372.

The previous prime is 11221201011091. The next prime is 11221201011149. The reversal of 11221201011101 is 10111010212211.

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 11221201011101 - 2³⁴ = 11204021141917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221201011151) 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, 119374478795 + ... + 119374478888.

It is an arithmetic number, because the mean of its divisors is an integer number (2864987492208).

Almost surely, 2^{11221201011101} is an apocalyptic number.

It is an amenable number.

11221201011101 is a deficient number, since it is larger than the sum of its proper divisors (238748957731).

11221201011101 is an equidigital number, since it uses as much as digits as its factorization.

11221201011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238748957730.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11221201011101 its reverse (10111010212211), we get a palindrome (21332211223312).

The spelling of 11221201011101 in words is "eleven trillion, two hundred twenty-one billion, two hundred one million, eleven thousand, one hundred one".