221133103101 has 12 divisors (see below), whose sum is σ = 319447574940. Its totient is φ = 147406795200.

The previous prime is 221133103091. The next prime is 221133103133. The reversal of 221133103101 is 101301331122.

221133103101 is a `hidden beast` number, since 2 + 21 + 1 + 331 + 0 + 310 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86847500601 + 134285602500 = 294699^2 + 366450^2 .

It is not a de Polignac number, because 221133103101 - 2⁵ = 221133103069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133103141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1180750 + ... + 1355151.

It is an arithmetic number, because the mean of its divisors is an integer number (26620631245).

Almost surely, 2^221133103101 is an apocalyptic number.

It is an amenable number.

221133103101 is a deficient number, since it is larger than the sum of its proper divisors (98314471839).

221133103101 is a wasteful number, since it uses less digits than its factorization.

221133103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545596 (or 2545593 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 221133103101 its reverse (101301331122), we get a palindrome (322434434223).

The spelling of 221133103101 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred three thousand, one hundred one".