212131101103 has 8 divisors (see below), whose sum is σ = 217070574336. Its totient is φ = 207191909400.

The previous prime is 212131101047. The next prime is 212131101113. The reversal of 212131101103 is 301101131212.

It is a happy number.

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 212131101103 - 2¹⁷ = 212130970031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212131101113) 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, 2808948 + ... + 2883478.

It is an arithmetic number, because the mean of its divisors is an integer number (27133821792).

Almost surely, 2^212131101103 is an apocalyptic number.

212131101103 is a deficient number, since it is larger than the sum of its proper divisors (4939473233).

212131101103 is an equidigital number, since it uses as much as digits as its factorization.

212131101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140765.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 212131101103 its reverse (301101131212), we get a palindrome (513232232315).

The spelling of 212131101103 in words is "two hundred twelve billion, one hundred thirty-one million, one hundred one thousand, one hundred three".