1021171012063 has 8 divisors (see below), whose sum is σ = 1036463126400. Its totient is φ = 1005880390680.

The previous prime is 1021171012061. The next prime is 1021171012129. The reversal of 1021171012063 is 3602101711201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021171012063 - 2¹ = 1021171012061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021171012061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045038 + ... + 1770436.

It is an arithmetic number, because the mean of its divisors is an integer number (129557890800).

Almost surely, 2^{1021171012063} is an apocalyptic number.

1021171012063 is a deficient number, since it is larger than the sum of its proper divisors (15292114337).

1021171012063 is an equidigital number, since it uses as much as digits as its factorization.

1021171012063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746477.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 1021171012063 its reverse (3602101711201), we get a palindrome (4623272723264).

The spelling of 1021171012063 in words is "one trillion, twenty-one billion, one hundred seventy-one million, twelve thousand, sixty-three".