21020313101241 has 8 divisors (see below), whose sum is σ = 28046697215680. Its totient is φ = 14003735527152.

The previous prime is 21020313101237. The next prime is 21020313101251. The reversal of 21020313101241 is 14210131302012.

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

It is not a de Polignac number, because 21020313101241 - 2² = 21020313101237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21020313101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451630085 + ... + 2451638658.

It is an arithmetic number, because the mean of its divisors is an integer number (3505837151960).

Almost surely, 2^{21020313101241} is an apocalyptic number.

It is an amenable number.

21020313101241 is a deficient number, since it is larger than the sum of its proper divisors (7026384114439).

21020313101241 is a wasteful number, since it uses less digits than its factorization.

21020313101241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903270175.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21020313101241 its reverse (14210131302012), we get a palindrome (35230444403253).

The spelling of 21020313101241 in words is "twenty-one trillion, twenty billion, three hundred thirteen million, one hundred one thousand, two hundred forty-one".