221003312103323 has 32 divisors (see below), whose sum is σ = 230673239899200. Its totient is φ = 211557817958400.

The previous prime is 221003312103313. The next prime is 221003312103337. The reversal of 221003312103323 is 323301213300122.

It is a cyclic number.

It is not a de Polignac number, because 221003312103323 - 2⁴ = 221003312103307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221003312103292 and 221003312103301.

It is not an unprimeable number, because it can be changed into a prime (221003312103313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421420328 + ... + 421944426.

It is an arithmetic number, because the mean of its divisors is an integer number (7208538746850).

Almost surely, 2^{221003312103323} is an apocalyptic number.

221003312103323 is a deficient number, since it is larger than the sum of its proper divisors (9669927795877).

221003312103323 is a wasteful number, since it uses less digits than its factorization.

221003312103323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524927.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 221003312103323 its reverse (323301213300122), we get a palindrome (544304525403445).

The spelling of 221003312103323 in words is "two hundred twenty-one trillion, three billion, three hundred twelve million, one hundred three thousand, three hundred twenty-three".