1030443021221 has 8 divisors (see below), whose sum is σ = 1034935709184. Its totient is φ = 1025950933600.

The previous prime is 1030443021187. The next prime is 1030443021241. The reversal of 1030443021221 is 1221203440301.

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-1030443021221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030443021241) 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, 3481190 + ... + 3765576.

It is an arithmetic number, because the mean of its divisors is an integer number (129366963648).

Almost surely, 2^{1030443021221} is an apocalyptic number.

It is an amenable number.

1030443021221 is a deficient number, since it is larger than the sum of its proper divisors (4492687963).

1030443021221 is a wasteful number, since it uses less digits than its factorization.

1030443021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300171.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1030443021221 its reverse (1221203440301), we get a palindrome (2251646461522).

The spelling of 1030443021221 in words is "one trillion, thirty billion, four hundred forty-three million, twenty-one thousand, two hundred twenty-one".