1052340322021 has 2 divisors, whose sum is σ = 1052340322022. Its totient is φ = 1052340322020.

The previous prime is 1052340322013. The next prime is 1052340322129. The reversal of 1052340322021 is 1202230432501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829283422500 + 223056899521 = 910650^2 + 472289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052340322021 - 2³ = 1052340322013 is a prime.

It is a super-2 number, since 2×1052340322021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052340322921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526170161010 + 526170161011.

It is an arithmetic number, because the mean of its divisors is an integer number (526170161011).

Almost surely, 2^{1052340322021} is an apocalyptic number.

It is an amenable number.

1052340322021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052340322021 is an equidigital number, since it uses as much as digits as its factorization.

1052340322021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1052340322021 its reverse (1202230432501), we get a palindrome (2254570754522).

The spelling of 1052340322021 in words is "one trillion, fifty-two billion, three hundred forty million, three hundred twenty-two thousand, twenty-one".