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12101102110001 = 107145177942393
BaseRepresentation
bin1011000000011000000111…
…1001001000010100110001
31120211212001121112102202002
42300012001321020110301
53041231024120010001
641423100343103345
72356163406532502
oct260060171102461
946755047472662
1012101102110001
113946059736513
121435336741b55
1369a18a63b508
142db9a716aba9
1515eb9dcab46b
hexb0181e48531

12101102110001 has 8 divisors (see below), whose sum is σ = 12222614457504. Its totient is φ = 11979745650400.

The previous prime is 12101102109997. The next prime is 12101102110003. The reversal of 12101102110001 is 10001120110121.

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 12101102110001 - 22 = 12101102109997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101102110003) 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, 38815940 + ... + 39126453.

It is an arithmetic number, because the mean of its divisors is an integer number (1527826807188).

Almost surely, 212101102110001 is an apocalyptic number.

It is an amenable number.

12101102110001 is a deficient number, since it is larger than the sum of its proper divisors (121512347503).

12101102110001 is a wasteful number, since it uses less digits than its factorization.

12101102110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77943951.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101102110001 its reverse (10001120110121), we get a palindrome (22102222220122).

The spelling of 12101102110001 in words is "twelve trillion, one hundred one billion, one hundred two million, one hundred ten thousand, one".

Divisors: 1 107 1451 155257 77942393 8339836051 113094412243 12101102110001