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2102101200101 = 7300300171443
BaseRepresentation
bin11110100101101110111…
…111101100110011100101
321102221220001021012212202
4132211232333230303211
5233420100401400401
64245405244024245
7304605012246260
oct36455677546345
97387801235782
102102101200101
117405503646a1
1229b499532085
131232c5491c86
1473a569cdcd7
1539a3191a06b
hex1e96efecce5

2102101200101 has 4 divisors (see below), whose sum is σ = 2402401371552. Its totient is φ = 1801801028652.

The previous prime is 2102101200083. The next prime is 2102101200181. The reversal of 2102101200101 is 1010021012012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102101200101 - 26 = 2102101200037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102101200181) 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, 150150085715 + ... + 150150085728.

It is an arithmetic number, because the mean of its divisors is an integer number (600600342888).

Almost surely, 22102101200101 is an apocalyptic number.

It is an amenable number.

2102101200101 is a deficient number, since it is larger than the sum of its proper divisors (300300171451).

2102101200101 is an equidigital number, since it uses as much as digits as its factorization.

2102101200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300300171450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2102101200101 its reverse (1010021012012), we get a palindrome (3112122212113).

The spelling of 2102101200101 in words is "two trillion, one hundred two billion, one hundred one million, two hundred thousand, one hundred one".

Divisors: 1 7 300300171443 2102101200101