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12111110100001 = 111262718719421
BaseRepresentation
bin1011000000111101011001…
…1010100101010000100001
31120212210220002100000002101
42300033112122211100201
53041412023141200001
641431433413050401
72356666412203063
oct260172632452041
946783802300071
1012111110100001
11394a324a08530
12143726a326a01
1369b0c3b956a3
142dc2763ad733
151600876e6a01
hexb03d66a5421

12111110100001 has 8 divisors (see below), whose sum is σ = 13212226257408. Its totient is φ = 11010011634000.

The previous prime is 12111110099993. The next prime is 12111110100059. The reversal of 12111110100001 is 10000101111121.

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 12111110100001 - 23 = 12111110099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111110160001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970730 + ... + 5748691.

It is an arithmetic number, because the mean of its divisors is an integer number (1651528282176).

Almost surely, 212111110100001 is an apocalyptic number.

12111110100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12111110100001 is a deficient number, since it is larger than the sum of its proper divisors (1101116157407).

12111110100001 is a wasteful number, since it uses less digits than its factorization.

12111110100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845703.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 12111110100001 its reverse (10000101111121), we get a palindrome (22111211211122).

The spelling of 12111110100001 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, one hundred thousand, one".

Divisors: 1 11 126271 1388981 8719421 95913631 1101010009091 12111110100001