21063126310 has 48 divisors (see below), whose sum is σ = 40322028384. Its totient is φ = 7920396288.

The previous prime is 21063126307. The next prime is 21063126311. The reversal of 21063126310 is 1362136012.

It is a super-2 number, since 2×21063126310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21063126311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2790862 + ... + 2798398.

It is an arithmetic number, because the mean of its divisors is an integer number (840042258).

Almost surely, 2^21063126310 is an apocalyptic number.

21063126310 is a deficient number, since it is larger than the sum of its proper divisors (19258902074).

21063126310 is a wasteful number, since it uses less digits than its factorization.

21063126310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 21063126310 in words is "twenty-one billion, sixty-three million, one hundred twenty-six thousand, three hundred ten".