221023113301 has 4 divisors (see below), whose sum is σ = 221026808704. Its totient is φ = 221019417900.

The previous prime is 221023113287. The next prime is 221023113403. The reversal of 221023113301 is 103311320122.

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 221023113301 - 2¹³ = 221023105109 is a prime.

It is a super-2 number, since 2×221023113301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221023111301) 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, 1756485 + ... + 1878106.

It is an arithmetic number, because the mean of its divisors is an integer number (55256702176).

Almost surely, 2^221023113301 is an apocalyptic number.

It is an amenable number.

221023113301 is a deficient number, since it is larger than the sum of its proper divisors (3695403).

221023113301 is an equidigital number, since it uses as much as digits as its factorization.

221023113301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695402.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221023113301 its reverse (103311320122), we get a palindrome (324334433423).

The spelling of 221023113301 in words is "two hundred twenty-one billion, twenty-three million, one hundred thirteen thousand, three hundred one".