11100221122101 has 24 divisors (see below), whose sum is σ = 16105885326720. Its totient is φ = 6776605539072.

The previous prime is 11100221122091. The next prime is 11100221122129. The reversal of 11100221122101 is 10122112200111.

It is a happy number.

It is not a de Polignac number, because 11100221122101 - 2¹³ = 11100221113909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100221132101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79423021 + ... + 79562658.

It is an arithmetic number, because the mean of its divisors is an integer number (671078555280).

Almost surely, 2^{11100221122101} is an apocalyptic number.

It is an amenable number.

11100221122101 is a deficient number, since it is larger than the sum of its proper divisors (5005664204619).

11100221122101 is a wasteful number, since it uses less digits than its factorization.

11100221122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158985773 (or 158985736 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11100221122101 its reverse (10122112200111), we get a palindrome (21222333322212).

The spelling of 11100221122101 in words is "eleven trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".