21203300112110 has 16 divisors (see below), whose sum is σ = 39825328906656. Its totient is φ = 8112566999328.

The previous prime is 21203300112103. The next prime is 21203300112121. The reversal of 21203300112110 is 1121100330212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46094130449 + ... + 46094130908.

It is an arithmetic number, because the mean of its divisors is an integer number (2489083056666).

Almost surely, 2^{21203300112110} is an apocalyptic number.

21203300112110 is a deficient number, since it is larger than the sum of its proper divisors (18622028794546).

21203300112110 is a wasteful number, since it uses less digits than its factorization.

21203300112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92188261387.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21203300112110 its reverse (1121100330212), we get a palindrome (22324400442322).

The spelling of 21203300112110 in words is "twenty-one trillion, two hundred three billion, three hundred million, one hundred twelve thousand, one hundred ten".