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102111011101 = 1135281263111
BaseRepresentation
bin101111100011001001…
…0100110000100011101
3100202120021212211002001
41133012102212010131
53133110404323401
6114524213202301
710243256162551
oct1370622460435
9322507784061
10102111011101
113a33a004a80
1217958930391
139823c84438
144d29575861
1529c9729601
hex17c64a611d

102111011101 has 8 divisors (see below), whose sum is σ = 111397411008. Its totient is φ = 92825208000.

The previous prime is 102111011087. The next prime is 102111011159. The reversal of 102111011101 is 101110111201.

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 102111011101 - 223 = 102102622493 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 (102111015101) 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, 256536 + ... + 519646.

It is an arithmetic number, because the mean of its divisors is an integer number (13924676376).

Almost surely, 2102111011101 is an apocalyptic number.

102111011101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102111011101 is a deficient number, since it is larger than the sum of its proper divisors (9286399907).

102111011101 is a wasteful number, since it uses less digits than its factorization.

102111011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298403.

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

Adding to 102111011101 its reverse (101110111201), we get a palindrome (203221122302).

The spelling of 102111011101 in words is "one hundred two billion, one hundred eleven million, eleven thousand, one hundred one".

Divisors: 1 11 35281 263111 388091 2894221 9282819191 102111011101