21101103130331 has 8 divisors (see below), whose sum is σ = 24570556745184. Its totient is φ = 17745402093120.

The previous prime is 21101103130321. The next prime is 21101103130343. The reversal of 21101103130331 is 13303130110112.

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 21101103130331 - 2³⁴ = 21083923261147 is a prime.

It is a super-2 number, since 2×21101103130331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21101103130321) 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, 28438144010 + ... + 28438144751.

It is an arithmetic number, because the mean of its divisors is an integer number (3071319593148).

Almost surely, 2^{21101103130331} is an apocalyptic number.

21101103130331 is a deficient number, since it is larger than the sum of its proper divisors (3469453614853).

21101103130331 is an equidigital number, since it uses as much as digits as its factorization.

21101103130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56876288821.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 21101103130331 its reverse (13303130110112), we get a palindrome (34404233240443).

The spelling of 21101103130331 in words is "twenty-one trillion, one hundred one billion, one hundred three million, one hundred thirty thousand, three hundred thirty-one".