1033010231221 has 2 divisors, whose sum is σ = 1033010231222. Its totient is φ = 1033010231220.

The previous prime is 1033010231219. The next prime is 1033010231249. The reversal of 1033010231221 is 1221320103301.

1033010231221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012378068900 + 20632162321 = 1006170^2 + 143639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033010231221 - 2¹ = 1033010231219 is a prime.

It is a super-2 number, since 2×1033010231221² (a number of 25 digits) contains 22 as substring.

Together with 1033010231219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1033010231321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516505115610 + 516505115611.

It is an arithmetic number, because the mean of its divisors is an integer number (516505115611).

Almost surely, 2^{1033010231221} is an apocalyptic number.

It is an amenable number.

1033010231221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033010231221 is an equidigital number, since it uses as much as digits as its factorization.

1033010231221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1033010231221 its reverse (1221320103301), we get a palindrome (2254330334522).

The spelling of 1033010231221 in words is "one trillion, thirty-three billion, ten million, two hundred thirty-one thousand, two hundred twenty-one".