2223103343521 has 8 divisors (see below), whose sum is σ = 2376727277184. Its totient is φ = 2072018648640.

The previous prime is 2223103343501. The next prime is 2223103343537. The reversal of 2223103343521 is 1253433013222.

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

It is not a de Polignac number, because 2223103343521 - 2³¹ = 2220955859873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223103343501) 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, 634807885 + ... + 634811386.

It is an arithmetic number, because the mean of its divisors is an integer number (297090909648).

Almost surely, 2^{2223103343521} is an apocalyptic number.

It is an amenable number.

2223103343521 is a deficient number, since it is larger than the sum of its proper divisors (153623933663).

2223103343521 is a wasteful number, since it uses less digits than its factorization.

2223103343521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269619391.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 2223103343521 its reverse (1253433013222), we get a palindrome (3476536356743).

The spelling of 2223103343521 in words is "two trillion, two hundred twenty-three billion, one hundred three million, three hundred forty-three thousand, five hundred twenty-one".