1030201332221 has 4 divisors (see below), whose sum is σ = 1039652720700. Its totient is φ = 1020749943744.

The previous prime is 1030201332197. The next prime is 1030201332299. The reversal of 1030201332221 is 1222331020301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353507539225 + 676693792996 = 594565^2 + 822614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030201332221 - 2⁶ = 1030201332157 is a prime.

It is a super-2 number, since 2×1030201332221² (a number of 25 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 = 1030201332193 and 1030201332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030201332821) 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, 4725694076 + ... + 4725694293.

It is an arithmetic number, because the mean of its divisors is an integer number (259913180175).

Almost surely, 2^{1030201332221} is an apocalyptic number.

It is an amenable number.

1030201332221 is a deficient number, since it is larger than the sum of its proper divisors (9451388479).

1030201332221 is an equidigital number, since it uses as much as digits as its factorization.

1030201332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451388478.

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

Adding to 1030201332221 its reverse (1222331020301), we get a palindrome (2252532352522).

The spelling of 1030201332221 in words is "one trillion, thirty billion, two hundred one million, three hundred thirty-two thousand, two hundred twenty-one".