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2101010210101 = 11210101909091
BaseRepresentation
bin11110100100101101111…
…101111001110100110101
321102212002000101011221201
4132210231331321310311
5233410332103210401
64245105112212501
7304535664060355
oct36445575716465
97385060334851
102101010210101
11740040543770
1229b23409a131
1312318044736a
1473991b58b65
15399bac63b01
hex1e92df79d35

2101010210101 has 8 divisors (see below), whose sum is σ = 2292024568608. Its totient is φ = 1909998090000.

The previous prime is 2101010210083. The next prime is 2101010210107. The reversal of 2101010210101 is 1010120101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101010210101 - 29 = 2101010209589 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 (2101010210107) 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, 1856566 + ... + 2765656.

It is an arithmetic number, because the mean of its divisors is an integer number (286503071076).

Almost surely, 22101010210101 is an apocalyptic number.

It is an amenable number.

2101010210101 is a deficient number, since it is larger than the sum of its proper divisors (191014358507).

2101010210101 is a wasteful number, since it uses less digits than its factorization.

2101010210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119203.

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

Adding to 2101010210101 its reverse (1010120101012), we get a palindrome (3111130311113).

The spelling of 2101010210101 in words is "two trillion, one hundred one billion, ten million, two hundred ten thousand, one hundred one".

Divisors: 1 11 210101 909091 2311111 10000001 191000928191 2101010210101