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212112101110001 = 719766213059011
BaseRepresentation
bin110000001110101000110010…
…011100000111000011110001
31000211000201102000201120210212
4300032220302130013003301
5210300221040341010001
62031042542023233505
762451410413126601
oct6016506234070361
91024021360646725
10212112101110001
1161649267364304
121b9588b55a8895
139148115564801
143a543cd880c01
15197c7c878d7bb
hexc0ea327070f1

212112101110001 has 8 divisors (see below), whose sum is σ = 215099886057408. Its totient is φ = 209124324234000.

The previous prime is 212112101109989. The next prime is 212112101110009. The reversal of 212112101110001 is 100011101211212.

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 212112101110001 - 226 = 212112034001137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112101110009) 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, 67810586 + ... + 70869596.

It is an arithmetic number, because the mean of its divisors is an integer number (26887485757176).

Almost surely, 2212112101110001 is an apocalyptic number.

It is an amenable number.

212112101110001 is a deficient number, since it is larger than the sum of its proper divisors (2987784947407).

212112101110001 is an equidigital number, since it uses as much as digits as its factorization.

212112101110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035703.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212112101110001 its reverse (100011101211212), we get a palindrome (312123202321213).

The spelling of 212112101110001 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred one million, one hundred ten thousand, one".

Divisors: 1 71 976621 3059011 69340091 217189781 2987494381831 212112101110001