221313201104023 has 16 divisors (see below), whose sum is σ = 253685465510464. Its totient is φ = 189129984583680.

The previous prime is 221313201103957. The next prime is 221313201104081. The reversal of 221313201104023 is 320401102313122.

It is not a de Polignac number, because 221313201104023 - 2⁴⁵ = 186128829015191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221313201107023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109115611 + ... + 111125347.

It is an arithmetic number, because the mean of its divisors is an integer number (15855341594404).

Almost surely, 2^{221313201104023} is an apocalyptic number.

221313201104023 is a deficient number, since it is larger than the sum of its proper divisors (32372264406441).

221313201104023 is a wasteful number, since it uses less digits than its factorization.

221313201104023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056762.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 221313201104023 its reverse (320401102313122), we get a palindrome (541714303417145).

The spelling of 221313201104023 in words is "two hundred twenty-one trillion, three hundred thirteen billion, two hundred one million, one hundred four thousand, twenty-three".