21213312330110 has 32 divisors (see below), whose sum is σ = 39115718468064. Its totient is φ = 8278272640000.

The previous prime is 21213312330101. The next prime is 21213312330137. The reversal of 21213312330110 is 1103321331212.

It is a super-2 number, since 2×21213312330110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44638550 + ... + 45111270.

It is an arithmetic number, because the mean of its divisors is an integer number (1222366202127).

Almost surely, 2^{21213312330110} is an apocalyptic number.

21213312330110 is a deficient number, since it is larger than the sum of its proper divisors (17902406137954).

21213312330110 is a wasteful number, since it uses less digits than its factorization.

21213312330110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582220.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21213312330110 its reverse (1103321331212), we get a palindrome (22316633661322).

The spelling of 21213312330110 in words is "twenty-one trillion, two hundred thirteen billion, three hundred twelve million, three hundred thirty thousand, one hundred ten".