210141242141081 has 2 divisors, whose sum is σ = 210141242141082. Its totient is φ = 210141242141080.

The previous prime is 210141242141059. The next prime is 210141242141119. The reversal of 210141242141081 is 180141242141012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163336707105625 + 46804535035456 = 12780325^2 + 6841384^2 .

It is a cyclic number.

It is not a de Polignac number, because 210141242141081 - 2³⁰ = 210140168399257 is a prime.

It is a super-2 number, since 2×210141242141081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210141242141681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105070621070540 + 105070621070541.

It is an arithmetic number, because the mean of its divisors is an integer number (105070621070541).

Almost surely, 2^{210141242141081} is an apocalyptic number.

It is an amenable number.

210141242141081 is a deficient number, since it is larger than the sum of its proper divisors (1).

210141242141081 is an equidigital number, since it uses as much as digits as its factorization.

210141242141081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 32.

Adding to 210141242141081 its reverse (180141242141012), we get a palindrome (390282484282093).

The spelling of 210141242141081 in words is "two hundred ten trillion, one hundred forty-one billion, two hundred forty-two million, one hundred forty-one thousand, eighty-one".