221103322013123 has 4 divisors (see below), whose sum is σ = 241203624014328. Its totient is φ = 201003020011920.

The previous prime is 221103322013107. The next prime is 221103322013131. The reversal of 221103322013123 is 321310223301122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221103322013123 - 2⁴ = 221103322013107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221103322013092 and 221103322013101.

It is not an unprimeable number, because it can be changed into a prime (221103322013023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10050151000586 + ... + 10050151000607.

It is an arithmetic number, because the mean of its divisors is an integer number (60300906003582).

Almost surely, 2^{221103322013123} is an apocalyptic number.

221103322013123 is a deficient number, since it is larger than the sum of its proper divisors (20100302001205).

221103322013123 is a wasteful number, since it uses less digits than its factorization.

221103322013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20100302001204.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221103322013123 its reverse (321310223301122), we get a palindrome (542413545314245).

The spelling of 221103322013123 in words is "two hundred twenty-one trillion, one hundred three billion, three hundred twenty-two million, thirteen thousand, one hundred twenty-three".