223021113101 has 8 divisors (see below), whose sum is σ = 225356020344. Its totient is φ = 220686935040.

The previous prime is 223021113079. The next prime is 223021113103. The reversal of 223021113101 is 101311120322.

It can be written as a sum of positive squares in 4 ways, for example, as 6562620100 + 216458493001 = 81010^2 + 465251^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223021113101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223021113101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021113103) 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, 443801 + ... + 801873.

It is an arithmetic number, because the mean of its divisors is an integer number (28169502543).

Almost surely, 2^223021113101 is an apocalyptic number.

It is an amenable number.

223021113101 is a deficient number, since it is larger than the sum of its proper divisors (2334907243).

223021113101 is an equidigital number, since it uses as much as digits as its factorization.

223021113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364591.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 223021113101 its reverse (101311120322), we get a palindrome (324332233423).

The spelling of 223021113101 in words is "two hundred twenty-three billion, twenty-one million, one hundred thirteen thousand, one hundred one".