2101012038481 has 2 divisors, whose sum is σ = 2101012038482. Its totient is φ = 2101012038480.

The previous prime is 2101012038467. The next prime is 2101012038547. The reversal of 2101012038481 is 1848302101012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1810749700881 + 290262337600 = 1345641^2 + 538760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101012038481 - 2²⁵ = 2100978484049 is a prime.

It is a super-2 number, since 2×2101012038481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101012038401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050506019240 + 1050506019241.

It is an arithmetic number, because the mean of its divisors is an integer number (1050506019241).

Almost surely, 2^{2101012038481} is an apocalyptic number.

It is an amenable number.

2101012038481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101012038481 is an equidigital number, since it uses as much as digits as its factorization.

2101012038481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

Adding to 2101012038481 its reverse (1848302101012), we get a palindrome (3949314139493).

The spelling of 2101012038481 in words is "two trillion, one hundred one billion, twelve million, thirty-eight thousand, four hundred eighty-one".