1032221031221 has 4 divisors (see below), whose sum is σ = 1032227467392. Its totient is φ = 1032214595052.

The previous prime is 1032221031217. The next prime is 1032221031229. The reversal of 1032221031221 is 1221301222301.

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 1032221031221 - 2² = 1032221031217 is a prime.

It is a super-3 number, since 3×1032221031221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1032221031193 and 1032221031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032221031229) 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, 2971205 + ... + 3300378.

It is an arithmetic number, because the mean of its divisors is an integer number (258056866848).

Almost surely, 2^{1032221031221} is an apocalyptic number.

It is an amenable number.

1032221031221 is a deficient number, since it is larger than the sum of its proper divisors (6436171).

1032221031221 is an equidigital number, since it uses as much as digits as its factorization.

1032221031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436170.

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

Adding to 1032221031221 its reverse (1221301222301), we get a palindrome (2253522253522).

The spelling of 1032221031221 in words is "one trillion, thirty-two billion, two hundred twenty-one million, thirty-one thousand, two hundred twenty-one".