11221121011101 has 8 divisors (see below), whose sum is σ = 14969054818080. Its totient is φ = 7476967272432.

The previous prime is 11221121011039. The next prime is 11221121011109. The reversal of 11221121011101 is 10111012112211.

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

It is not a de Polignac number, because 11221121011101 - 2²⁶ = 11221053902237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221121011109) 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, 945010150 + ... + 945022023.

It is an arithmetic number, because the mean of its divisors is an integer number (1871131852260).

Almost surely, 2^{11221121011101} is an apocalyptic number.

It is an amenable number.

11221121011101 is a deficient number, since it is larger than the sum of its proper divisors (3747933806979).

11221121011101 is a wasteful number, since it uses less digits than its factorization.

11221121011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890034155.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11221121011101 its reverse (10111012112211), we get a palindrome (21332133123312).

The spelling of 11221121011101 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, eleven thousand, one hundred one".