21310103103110 has 16 divisors (see below), whose sum is σ = 38987008301232. Its totient is φ = 8384302860000.

The previous prime is 21310103103109. The next prime is 21310103103187. The reversal of 21310103103110 is 1130130101312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17467297016 + ... + 17467298235.

It is an arithmetic number, because the mean of its divisors is an integer number (2436688018827).

Almost surely, 2^{21310103103110} is an apocalyptic number.

21310103103110 is a deficient number, since it is larger than the sum of its proper divisors (17676905198122).

21310103103110 is a wasteful number, since it uses less digits than its factorization.

21310103103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34934595319.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 21310103103110 its reverse (1130130101312), we get a palindrome (22440233204422).

The spelling of 21310103103110 in words is "twenty-one trillion, three hundred ten billion, one hundred three million, one hundred three thousand, one hundred ten".