202100110010081 has 2 divisors, whose sum is σ = 202100110010082. Its totient is φ = 202100110010080.

The previous prime is 202100110010021. The next prime is 202100110010087. The reversal of 202100110010081 is 180010011001202.

202100110010081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151582487629456 + 50517622380625 = 12311884^2 + 7107575^2 .

It is a cyclic number.

It is not a de Polignac number, because 202100110010081 - 2¹⁴ = 202100109993697 is a prime.

It is a super-2 number, since 2×202100110010081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202100110010087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050055005040 + 101050055005041.

It is an arithmetic number, because the mean of its divisors is an integer number (101050055005041).

Almost surely, 2^{202100110010081} is an apocalyptic number.

It is an amenable number.

202100110010081 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100110010081 is an equidigital number, since it uses as much as digits as its factorization.

202100110010081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202100110010081 its reverse (180010011001202), we get a palindrome (382110121011283).

The spelling of 202100110010081 in words is "two hundred two trillion, one hundred billion, one hundred ten million, ten thousand, eighty-one".