210012010221073 has 2 divisors, whose sum is σ = 210012010221074. Its totient is φ = 210012010221072.

The previous prime is 210012010221061. The next prime is 210012010221077. The reversal of 210012010221073 is 370122010210012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177770702292624 + 32241307928449 = 13333068^2 + 5678143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210012010221073 is a prime.

It is not a weakly prime, because it can be changed into another prime (210012010221077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006005110536 + 105006005110537.

It is an arithmetic number, because the mean of its divisors is an integer number (105006005110537).

Almost surely, 2^{210012010221073} is an apocalyptic number.

It is an amenable number.

210012010221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012010221073 is an equidigital number, since it uses as much as digits as its factorization.

210012010221073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 210012010221073 its reverse (370122010210012), we get a palindrome (580134020431085).

The spelling of 210012010221073 in words is "two hundred ten trillion, twelve billion, ten million, two hundred twenty-one thousand, seventy-three".