221300223101 has 4 divisors (see below), whose sum is σ = 225051074400. Its totient is φ = 217549371804.

The previous prime is 221300223091. The next prime is 221300223127. The reversal of 221300223101 is 101322003122.

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 221300223101 - 2⁶ = 221300223037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221300223101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300223701) 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, 1875425561 + ... + 1875425678.

It is an arithmetic number, because the mean of its divisors is an integer number (56262768600).

Almost surely, 2^221300223101 is an apocalyptic number.

It is an amenable number.

221300223101 is a deficient number, since it is larger than the sum of its proper divisors (3750851299).

221300223101 is an equidigital number, since it uses as much as digits as its factorization.

221300223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750851298.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221300223101 its reverse (101322003122), we get a palindrome (322622226223).

The spelling of 221300223101 in words is "two hundred twenty-one billion, three hundred million, two hundred twenty-three thousand, one hundred one".