221030203021033 has 6 divisors (see below), whose sum is σ = 257116766779626. Its totient is φ = 189454459732272.

The previous prime is 221030203021027. The next prime is 221030203021039. The reversal of 221030203021033 is 330120302030122.

221030203021033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221030203021027) and next prime (221030203021039).

It can be written as a sum of positive squares in only one way, i.e., 219665212705449 + 1364990315584 = 14821107^2 + 1168328^2 .

It is not a de Polignac number, because 221030203021033 - 2³³ = 221021613086441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221030203020995 and 221030203021013.

It is not an unprimeable number, because it can be changed into a prime (221030203021039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2255410234860 + ... + 2255410234957.

It is an arithmetic number, because the mean of its divisors is an integer number (42852794463271).

Almost surely, 2^{221030203021033} is an apocalyptic number.

It is an amenable number.

221030203021033 is a deficient number, since it is larger than the sum of its proper divisors (36086563758593).

221030203021033 is an equidigital number, since it uses as much as digits as its factorization.

221030203021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510820469831 (or 4510820469824 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221030203021033 its reverse (330120302030122), we get a palindrome (551150505051155).

The spelling of 221030203021033 in words is "two hundred twenty-one trillion, thirty billion, two hundred three million, twenty-one thousand, thirty-three".