1030021003221 has 32 divisors (see below), whose sum is σ = 1584355365120. Its totient is φ = 583039586304.

The previous prime is 1030021003177. The next prime is 1030021003229. The reversal of 1030021003221 is 1223001200301.

It is not a de Polignac number, because 1030021003221 - 2²² = 1030016808917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030021003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030021003229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4036065 + ... + 4283673.

It is an arithmetic number, because the mean of its divisors is an integer number (49511105160).

Almost surely, 2^{1030021003221} is an apocalyptic number.

It is an amenable number.

1030021003221 is a deficient number, since it is larger than the sum of its proper divisors (554334361899).

1030021003221 is a wasteful number, since it uses less digits than its factorization.

1030021003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249485.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1030021003221 its reverse (1223001200301), we get a palindrome (2253022203522).

The spelling of 1030021003221 in words is "one trillion, thirty billion, twenty-one million, three thousand, two hundred twenty-one".