21113400010 has 16 divisors (see below), whose sum is σ = 38029500000. Its totient is φ = 8439720016.

The previous prime is 21113399959. The next prime is 21113400031. The reversal of 21113400010 is 1000431112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689260 + ... + 719239.

It is an arithmetic number, because the mean of its divisors is an integer number (2376843750).

Almost surely, 2^21113400010 is an apocalyptic number.

21113400010 is a deficient number, since it is larger than the sum of its proper divisors (16916099990).

21113400010 is a wasteful number, since it uses less digits than its factorization.

21113400010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410005.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21113400010 its reverse (1000431112), we get a palindrome (22113831122).

The spelling of 21113400010 in words is "twenty-one billion, one hundred thirteen million, four hundred thousand, ten".