21420110024313 has 384 divisors, whose sum is σ = 41566198464000. Its totient is φ = 9626434191360.

The previous prime is 21420110024273. The next prime is 21420110024407. The reversal of 21420110024313 is 31342001102412.

It is not a de Polignac number, because 21420110024313 - 2¹⁷ = 21420109893241 is a prime.

It is a super-2 number, since 2×21420110024313² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21420110024213) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 12834097443 + ... + 12834099111.

It is an arithmetic number, because the mean of its divisors is an integer number (108245308500).

Almost surely, 2^{21420110024313} is an apocalyptic number.

It is an amenable number.

21420110024313 is a deficient number, since it is larger than the sum of its proper divisors (20146088439687).

21420110024313 is a wasteful number, since it uses less digits than its factorization.

21420110024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21420110024313 its reverse (31342001102412), we get a palindrome (52762111126725).

The spelling of 21420110024313 in words is "twenty-one trillion, four hundred twenty billion, one hundred ten million, twenty-four thousand, three hundred thirteen".