2211130140521 has 2 divisors, whose sum is σ = 2211130140522. Its totient is φ = 2211130140520.

The previous prime is 2211130140517. The next prime is 2211130140577. The reversal of 2211130140521 is 1250410311122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1597000875625 + 614129264896 = 1263725^2 + 783664^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211130140521 - 2² = 2211130140517 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211130140511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105565070260 + 1105565070261.

It is an arithmetic number, because the mean of its divisors is an integer number (1105565070261).

Almost surely, 2^{2211130140521} is an apocalyptic number.

It is an amenable number.

2211130140521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211130140521 is an equidigital number, since it uses as much as digits as its factorization.

2211130140521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 2211130140521 its reverse (1250410311122), we get a palindrome (3461540451643).

The spelling of 2211130140521 in words is "two trillion, two hundred eleven billion, one hundred thirty million, one hundred forty thousand, five hundred twenty-one".