232100000223221 has 8 divisors (see below), whose sum is σ = 253474323105024. Its totient is φ = 211228602585840.

The previous prime is 232100000223197. The next prime is 232100000223257. The reversal of 232100000223221 is 122322000001232.

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 a de Polignac number, because none of the positive numbers 2^k-232100000223221 is a prime.

It is a super-2 number, since 2×232100000223221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232100000223193 and 232100000223202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232100000223281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125731310141 + ... + 125731311986.

It is an arithmetic number, because the mean of its divisors is an integer number (31684290388128).

Almost surely, 2^{232100000223221} is an apocalyptic number.

It is an amenable number.

232100000223221 is a deficient number, since it is larger than the sum of its proper divisors (21374322881803).

232100000223221 is a wasteful number, since it uses less digits than its factorization.

232100000223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251462622211.

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

Adding to 232100000223221 its reverse (122322000001232), we get a palindrome (354422000224453).

The spelling of 232100000223221 in words is "two hundred thirty-two trillion, one hundred billion, two hundred twenty-three thousand, two hundred twenty-one".