332100231221 has 4 divisors (see below), whose sum is σ = 362291161344. Its totient is φ = 301909301100.

The previous prime is 332100231191. The next prime is 332100231259. The reversal of 332100231221 is 122132001233.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122132001233 = 11 ⋅11102909203.

It is a de Polignac number, because none of the positive numbers 2^k-332100231221 is a prime.

It is a super-2 number, since 2×332100231221² (a number of 24 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 = 332100231193 and 332100231202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332100231271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15095465045 + ... + 15095465066.

It is an arithmetic number, because the mean of its divisors is an integer number (90572790336).

Almost surely, 2^332100231221 is an apocalyptic number.

It is an amenable number.

332100231221 is a deficient number, since it is larger than the sum of its proper divisors (30190930123).

332100231221 is a wasteful number, since it uses less digits than its factorization.

332100231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30190930122.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 332100231221 its reverse (122132001233), we get a palindrome (454232232454).

The spelling of 332100231221 in words is "three hundred thirty-two billion, one hundred million, two hundred thirty-one thousand, two hundred twenty-one".