21113010063366 has 32 divisors (see below), whose sum is σ = 45481664467680. Its totient is φ = 6495240939264.

The previous prime is 21113010063349. The next prime is 21113010063407. The reversal of 21113010063366 is 66336001031112.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 21811801 + ... + 22759188.

It is an arithmetic number, because the mean of its divisors is an integer number (1421302014615).

Almost surely, 2^{21113010063366} is an apocalyptic number.

21113010063366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

21113010063366 is an abundant number, since it is smaller than the sum of its proper divisors (24368654404314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113010063366 is a wasteful number, since it uses less digits than its factorization.

21113010063366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44577080.

The product of its (nonzero) digits is 11664, while the sum is 33.

Adding to 21113010063366 its reverse (66336001031112), we get a palindrome (87449011094478).

The spelling of 21113010063366 in words is "twenty-one trillion, one hundred thirteen billion, ten million, sixty-three thousand, three hundred sixty-six".