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11102112001 = 101109921901
BaseRepresentation
bin10100101011011110…
…01100100100000001
31001122201120201120101
422111233030210001
5140214120041001
65033352442401
7542056252321
oct122557144401
931581521511
1011102112001
114787942082
12219a0a9401
13107c12a556
14774691281
1544ea0ea01
hex295bcc901

11102112001 has 4 divisors (see below), whose sum is σ = 11212034004. Its totient is φ = 10992190000.

The previous prime is 11102111981. The next prime is 11102112017. The reversal of 11102112001 is 10021120111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8136220401 + 2965891600 = 90201^2 + 54460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102112001 - 225 = 11068557569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102712001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54960850 + ... + 54961051.

It is an arithmetic number, because the mean of its divisors is an integer number (2803008501).

Almost surely, 211102112001 is an apocalyptic number.

It is an amenable number.

11102112001 is a deficient number, since it is larger than the sum of its proper divisors (109922003).

11102112001 is a wasteful number, since it uses less digits than its factorization.

11102112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109922002.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11102112001 its reverse (10021120111), we get a palindrome (21123232112).

The spelling of 11102112001 in words is "eleven billion, one hundred two million, one hundred twelve thousand, one".

Divisors: 1 101 109921901 11102112001