21102010031303 has 8 divisors (see below), whose sum is σ = 21112101239040. Its totient is φ = 21091921241400.

The previous prime is 21102010031273. The next prime is 21102010031321. The reversal of 21102010031303 is 30313001020112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21102010031303 - 2¹⁶ = 21102009965767 is a prime.

It is a super-2 number, since 2×21102010031303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102010031353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16977026 + ... + 18177552.

It is an arithmetic number, because the mean of its divisors is an integer number (2639012654880).

Almost surely, 2^{21102010031303} is an apocalyptic number.

21102010031303 is a deficient number, since it is larger than the sum of its proper divisors (10091207737).

21102010031303 is a wasteful number, since it uses less digits than its factorization.

21102010031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208917.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21102010031303 its reverse (30313001020112), we get a palindrome (51415011051415).

The spelling of 21102010031303 in words is "twenty-one trillion, one hundred two billion, ten million, thirty-one thousand, three hundred three".