1021454682881 has 8 divisors (see below), whose sum is σ = 1045229849664. Its totient is φ = 997680443760.

The previous prime is 1021454682851. The next prime is 1021454682929. The reversal of 1021454682881 is 1882864541201.

1021454682881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021454682881 is a prime.

It is a super-2 number, since 2×1021454682881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021454682851) 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, 2318555 + ... + 2723711.

It is an arithmetic number, because the mean of its divisors is an integer number (130653731208).

Almost surely, 2^{1021454682881} is an apocalyptic number.

It is an amenable number.

1021454682881 is a deficient number, since it is larger than the sum of its proper divisors (23775166783).

1021454682881 is an equidigital number, since it uses as much as digits as its factorization.

1021454682881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463831.

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 1021454682881 in words is "one trillion, twenty-one billion, four hundred fifty-four million, six hundred eighty-two thousand, eight hundred eighty-one".