223021232021 has 8 divisors (see below), whose sum is σ = 263103389184. Its totient is φ = 184994570160.

The previous prime is 223021231991. The next prime is 223021232033. The reversal of 223021232021 is 120232120322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223021232021 - 2²² = 223017037717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223021231984 and 223021232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021232821) 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, 513873590 + ... + 513874023.

It is an arithmetic number, because the mean of its divisors is an integer number (32887923648).

Almost surely, 2^223021232021 is an apocalyptic number.

It is an amenable number.

223021232021 is a deficient number, since it is larger than the sum of its proper divisors (40082157163).

223021232021 is a wasteful number, since it uses less digits than its factorization.

223021232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027747651.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 223021232021 its reverse (120232120322), we get a palindrome (343253352343).

The spelling of 223021232021 in words is "two hundred twenty-three billion, twenty-one million, two hundred thirty-two thousand, twenty-one".