223231212101 has 4 divisors (see below), whose sum is σ = 223242036192. Its totient is φ = 223220388012.

The previous prime is 223231212089. The next prime is 223231212119. The reversal of 223231212101 is 101212132322.

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 223231212101 - 2¹⁴ = 223231195717 is a prime.

It is a super-3 number, since 3×223231212101³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223231212181) 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, 5381051 + ... + 5422376.

It is an arithmetic number, because the mean of its divisors is an integer number (55810509048).

Almost surely, 2^223231212101 is an apocalyptic number.

It is an amenable number.

223231212101 is a deficient number, since it is larger than the sum of its proper divisors (10824091).

223231212101 is a wasteful number, since it uses less digits than its factorization.

223231212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824090.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223231212101 its reverse (101212132322), we get a palindrome (324443344423).

The spelling of 223231212101 in words is "two hundred twenty-three billion, two hundred thirty-one million, two hundred twelve thousand, one hundred one".