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212102112212211 = 3135438515697749
BaseRepresentation
bin110000001110011111011111…
…000011011111010011110011
31000210222202121212212000001110
4300032133133003133103303
5210300040111211242321
62031034210514404403
762450605031654604
oct6016373703372363
91023882555760043
10212102112212211
1161645000942581
121b956988290703
1391471b2c637c0
143a53b22dabdab
15197c3e1875176
hexc0e7df0df4f3

212102112212211 has 8 divisors (see below), whose sum is σ = 304556879074000. Its totient is φ = 130524376745952.

The previous prime is 212102112212203. The next prime is 212102112212269. The reversal of 212102112212211 is 112212211201212.

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

It is not a de Polignac number, because 212102112212211 - 23 = 212102112212203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102112212611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719257848836 + ... + 2719257848913.

It is an arithmetic number, because the mean of its divisors is an integer number (38069609884250).

Almost surely, 2212102112212211 is an apocalyptic number.

212102112212211 is a deficient number, since it is larger than the sum of its proper divisors (92454766861789).

212102112212211 is a wasteful number, since it uses less digits than its factorization.

212102112212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438515697765.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212102112212211 its reverse (112212211201212), we get a palindrome (324314323413423).

The spelling of 212102112212211 in words is "two hundred twelve trillion, one hundred two billion, one hundred twelve million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 3 13 39 5438515697749 16315547093247 70700704070737 212102112212211