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102001121111101 = 19436754716372081
BaseRepresentation
bin10111001100010011111100…
…100101110010110000111101
3111101011012201111201201120011
4113030103330211302300331
5101332141244001023401
61000534400153023221
730325223604010642
oct2714237445626075
9441135644651504
10102001121111101
112a556483781363
12b5346010b4b11
1344bb883a40064
141b28c48537dc9
15bbd43ae03451
hex5cc4fc972c3d

102001121111101 has 64 divisors (see below), whose sum is σ = 111832173573120. Its totient is φ = 92705394862080.

The previous prime is 102001121111093. The next prime is 102001121111129. The reversal of 102001121111101 is 101111121100201.

It is a cyclic number.

It is not a de Polignac number, because 102001121111101 - 23 = 102001121111093 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 (102001121111401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49015434381 + ... + 49015436461.

It is an arithmetic number, because the mean of its divisors is an integer number (1747377712080).

Almost surely, 2102001121111101 is an apocalyptic number.

It is an amenable number.

102001121111101 is a deficient number, since it is larger than the sum of its proper divisors (9831052462019).

102001121111101 is a wasteful number, since it uses less digits than its factorization.

102001121111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102001121111101 its reverse (101111121100201), we get a palindrome (203112242211302).

The spelling of 102001121111101 in words is "one hundred two trillion, one billion, one hundred twenty-one million, one hundred eleven thousand, one hundred one".

Divisors: 1 19 43 67 547 817 1273 1637 2081 2881 10393 23521 31103 36649 39539 54739 70391 89483 109679 139427 446899 696331 895439 1138307 1337429 1575907 1700177 2083901 2649113 3406597 4716197 5995361 17013341 21627833 29942233 38503877 48947201 59994413 64725343 76266569 89607743 113911859 146483671 228241999 731573663 929996819 1139893847 1449064811 1863408559 2579759759 2783189749 3279462467 4336597981 9814405957 35404762621 49015435421 62309786873 80126568037 124848373453 186473713183 1522404792703 2372119095607 5368480058479 102001121111101