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12101110202101 = 14718226451531
BaseRepresentation
bin1011000000011000001001…
…0111111111111011110101
31120211212002011202120000111
42300012002113333323311
53041231033202431401
641423101232343021
72356163535364564
oct260060227777365
946755064676014
1012101110202101
1139460632631a8
1214353393a4a71
1369a18c21283b
142db9a8275bdb
1515eb9e858e51
hexb01825ffef5

12101110202101 has 4 divisors (see below), whose sum is σ = 12109336655104. Its totient is φ = 12092883749100.

The previous prime is 12101110202081. The next prime is 12101110202119. The reversal of 12101110202101 is 10120201110121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12101110202101 - 225 = 12101076647669 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 (12101110272101) 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, 4113224295 + ... + 4113227236.

It is an arithmetic number, because the mean of its divisors is an integer number (3027334163776).

Almost surely, 212101110202101 is an apocalyptic number.

It is an amenable number.

12101110202101 is a deficient number, since it is larger than the sum of its proper divisors (8226453003).

12101110202101 is an equidigital number, since it uses as much as digits as its factorization.

12101110202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226453002.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101110202101 its reverse (10120201110121), we get a palindrome (22221311312222).

The spelling of 12101110202101 in words is "twelve trillion, one hundred one billion, one hundred ten million, two hundred two thousand, one hundred one".

Divisors: 1 1471 8226451531 12101110202101