210002012100931 has 2 divisors, whose sum is σ = 210002012100932. Its totient is φ = 210002012100930.

The previous prime is 210002012100929. The next prime is 210002012101127. The reversal of 210002012100931 is 139001210200012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210002012100931 - 2¹ = 210002012100929 is a prime.

It is a super-3 number, since 3×210002012100931³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 210002012100929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210002012100431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001006050465 + 105001006050466.

It is an arithmetic number, because the mean of its divisors is an integer number (105001006050466).

Almost surely, 2^{210002012100931} is an apocalyptic number.

210002012100931 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002012100931 is an equidigital number, since it uses as much as digits as its factorization.

210002012100931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 210002012100931 its reverse (139001210200012), we get a palindrome (349003222300943).

The spelling of 210002012100931 in words is "two hundred ten trillion, two billion, twelve million, one hundred thousand, nine hundred thirty-one".