2054532234221 has 2 divisors, whose sum is σ = 2054532234222. Its totient is φ = 2054532234220.

The previous prime is 2054532234217. The next prime is 2054532234229. The reversal of 2054532234221 is 1224322354502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1793269156900 + 261263077321 = 1339130^2 + 511139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054532234221 - 2² = 2054532234217 is a prime.

It is a super-2 number, since 2×2054532234221² (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 (2054532234229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027266117110 + 1027266117111.

It is an arithmetic number, because the mean of its divisors is an integer number (1027266117111).

Almost surely, 2^{2054532234221} is an apocalyptic number.

It is an amenable number.

2054532234221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054532234221 is an equidigital number, since it uses as much as digits as its factorization.

2054532234221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2054532234221 its reverse (1224322354502), we get a palindrome (3278854588723).

The spelling of 2054532234221 in words is "two trillion, fifty-four billion, five hundred thirty-two million, two hundred thirty-four thousand, two hundred twenty-one".