210242102020147 has 2 divisors, whose sum is σ = 210242102020148. Its totient is φ = 210242102020146.

The previous prime is 210242102020133. The next prime is 210242102020169. The reversal of 210242102020147 is 741020201242012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210242102020147 - 2⁷ = 210242102020019 is a prime.

It is not a weakly prime, because it can be changed into another prime (210242102060147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105121051010073 + 105121051010074.

It is an arithmetic number, because the mean of its divisors is an integer number (105121051010074).

Almost surely, 2^{210242102020147} is an apocalyptic number.

210242102020147 is a deficient number, since it is larger than the sum of its proper divisors (1).

210242102020147 is an equidigital number, since it uses as much as digits as its factorization.

210242102020147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 210242102020147 its reverse (741020201242012), we get a palindrome (951262303262159).

The spelling of 210242102020147 in words is "two hundred ten trillion, two hundred forty-two billion, one hundred two million, twenty thousand, one hundred forty-seven".