221303023333231 has 8 divisors (see below), whose sum is σ = 252959566325760. Its totient is φ = 189656936684088.

The previous prime is 221303023333211. The next prime is 221303023333253. The reversal of 221303023333231 is 132333320303122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221303023333231 - 2¹³ = 221303023325039 is a prime.

It is a super-2 number, since 2×221303023333231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221303023333193 and 221303023333202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221303023333211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2614040491 + ... + 2614125148.

It is an arithmetic number, because the mean of its divisors is an integer number (31619945790720).

Almost surely, 2^{221303023333231} is an apocalyptic number.

221303023333231 is a deficient number, since it is larger than the sum of its proper divisors (31656542992529).

221303023333231 is an equidigital number, since it uses as much as digits as its factorization.

221303023333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228171693.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 221303023333231 its reverse (132333320303122), we get a palindrome (353636343636353).

The spelling of 221303023333231 in words is "two hundred twenty-one trillion, three hundred three billion, twenty-three million, three hundred thirty-three thousand, two hundred thirty-one".