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2111102010101 = 71913157650811
BaseRepresentation
bin11110101110000111011…
…111000100001011110101
321110211010022212202000002
4132232013133010023311
5234042014103310401
64253454334401045
7305344035002660
oct36560737041365
97424108782002
102111102010101
1174434a059447
122a118b960185
131240cb166b56
147426c1766d7
1539dabc06a6b
hex1eb877c42f5

2111102010101 has 8 divisors (see below), whose sum is σ = 2413949233344. Its totient is φ = 1808570092320.

The previous prime is 2111102010097. The next prime is 2111102010107. The reversal of 2111102010101 is 1010102011112.

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 2111102010101 - 22 = 2111102010097 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 (2111102010107) 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, 78812015 + ... + 78838796.

It is an arithmetic number, because the mean of its divisors is an integer number (301743654168).

Almost surely, 22111102010101 is an apocalyptic number.

It is an amenable number.

2111102010101 is a deficient number, since it is larger than the sum of its proper divisors (302847223243).

2111102010101 is a wasteful number, since it uses less digits than its factorization.

2111102010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157652731.

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

Adding to 2111102010101 its reverse (1010102011112), we get a palindrome (3121204021213).

The spelling of 2111102010101 in words is "two trillion, one hundred eleven billion, one hundred two million, ten thousand, one hundred one".

Divisors: 1 7 1913 13391 157650811 1103555677 301586001443 2111102010101