221120011001101 has 16 divisors (see below), whose sum is σ = 244309114656000. Its totient is φ = 199062438651648.

The previous prime is 221120011001077. The next prime is 221120011001119. The reversal of 221120011001101 is 101100110021122.

It is a happy number.

221120011001101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221120011001101 - 2⁵ = 221120011001069 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 (221120011002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34269475 + ... + 40207423.

It is an arithmetic number, because the mean of its divisors is an integer number (15269319666000).

Almost surely, 2^{221120011001101} is an apocalyptic number.

It is an amenable number.

221120011001101 is a deficient number, since it is larger than the sum of its proper divisors (23189103654899).

221120011001101 is a wasteful number, since it uses less digits than its factorization.

221120011001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033228.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221120011001101 its reverse (101100110021122), we get a palindrome (322220121022223).

The spelling of 221120011001101 in words is "two hundred twenty-one trillion, one hundred twenty billion, eleven million, one thousand, one hundred one".