21110031330022 has 8 divisors (see below), whose sum is σ = 31731153566400. Its totient is φ = 10532980141224.

The previous prime is 21110031329987. The next prime is 21110031330023. The reversal of 21110031330022 is 22003313001112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110031330023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11017760697 + ... + 11017762612.

It is an arithmetic number, because the mean of its divisors is an integer number (3966394195800).

Almost surely, 2^{21110031330022} is an apocalyptic number.

21110031330022 is a deficient number, since it is larger than the sum of its proper divisors (10621122236378).

21110031330022 is a wasteful number, since it uses less digits than its factorization.

21110031330022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22035523790.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21110031330022 its reverse (22003313001112), we get a palindrome (43113344331134).

It can be divided in two parts, 2111003 and 1330022, that added together give a square (3441025 = 1855²).

The spelling of 21110031330022 in words is "twenty-one trillion, one hundred ten billion, thirty-one million, three hundred thirty thousand, twenty-two".