223021020113 has 4 divisors (see below), whose sum is σ = 234758968560. Its totient is φ = 211283071668.

The previous prime is 223021020109. The next prime is 223021020121. The reversal of 223021020113 is 311020120322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223021020113 - 2² = 223021020109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223021020091 and 223021020100.

It is not an unprimeable number, because it can be changed into a prime (223021020613) 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, 5868974195 + ... + 5868974232.

It is an arithmetic number, because the mean of its divisors is an integer number (58689742140).

Almost surely, 2^223021020113 is an apocalyptic number.

It is an amenable number.

223021020113 is a deficient number, since it is larger than the sum of its proper divisors (11737948447).

223021020113 is a wasteful number, since it uses less digits than its factorization.

223021020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737948446.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223021020113 its reverse (311020120322), we get a palindrome (534041140435).

The spelling of 223021020113 in words is "two hundred twenty-three billion, twenty-one million, twenty thousand, one hundred thirteen".