223021101105 has 72 divisors (see below), whose sum is σ = 431749745856. Its totient is φ = 105616324800.

The previous prime is 223021101101. The next prime is 223021101109. The reversal of 223021101105 is 501101120322.

It is an interprime number because it is at equal distance from previous prime (223021101101) and next prime (223021101109).

It is not a de Polignac number, because 223021101105 - 2² = 223021101101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223021101101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 793420 + ... + 1037090.

It is an arithmetic number, because the mean of its divisors is an integer number (5996524248).

Almost surely, 2^223021101105 is an apocalyptic number.

It is an amenable number.

223021101105 is a deficient number, since it is larger than the sum of its proper divisors (208728644751).

223021101105 is a wasteful number, since it uses less digits than its factorization.

223021101105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243779 (or 243733 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 223021101105 its reverse (501101120322), we get a palindrome (724122221427).

The spelling of 223021101105 in words is "two hundred twenty-three billion, twenty-one million, one hundred one thousand, one hundred five".