210001021120141 has 2 divisors, whose sum is σ = 210001021120142. Its totient is φ = 210001021120140.

The previous prime is 210001021120139. The next prime is 210001021120213. The reversal of 210001021120141 is 141021120100012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182775636458116 + 27225384662025 = 13519454^2 + 5217795^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001021120141 - 2¹ = 210001021120139 is a prime.

Together with 210001021120139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210001021820141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000510560070 + 105000510560071.

It is an arithmetic number, because the mean of its divisors is an integer number (105000510560071).

Almost surely, 2^{210001021120141} is an apocalyptic number.

It is an amenable number.

210001021120141 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001021120141 is an equidigital number, since it uses as much as digits as its factorization.

210001021120141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210001021120141 its reverse (141021120100012), we get a palindrome (351022141220153).

The spelling of 210001021120141 in words is "two hundred ten trillion, one billion, twenty-one million, one hundred twenty thousand, one hundred forty-one".