210380382081 has 16 divisors (see below), whose sum is σ = 330008443200. Its totient is φ = 132003376704.

The previous prime is 210380382029. The next prime is 210380382119. The reversal of 210380382081 is 180283083012.

It is not a de Polignac number, because 210380382081 - 2²⁷ = 210246164353 is a prime.

It is a super-2 number, since 2×210380382081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210380382011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229172071 + ... + 229172988.

It is an arithmetic number, because the mean of its divisors is an integer number (20625527700).

Almost surely, 2^210380382081 is an apocalyptic number.

It is an amenable number.

210380382081 is a deficient number, since it is larger than the sum of its proper divisors (119628061119).

210380382081 is a wasteful number, since it uses less digits than its factorization.

210380382081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458345085 (or 458345079 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 210380382081 in words is "two hundred ten billion, three hundred eighty million, three hundred eighty-two thousand, eighty-one".