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10010212010101 = 10199111010001
BaseRepresentation
bin1001000110101010111100…
…1000011000100001110101
31022102222002212221010010201
42101222233020120201311
52303001403233310401
633142343343520501
72052133246114432
oct221525710304165
938388085833121
1010010212010101
11320a341794396
1211580678b9131
13577c60a46754
142686d54bcb89
151255c672db01
hex91aaf218875

10010212010101 has 4 divisors (see below), whose sum is σ = 10109323020204. Its totient is φ = 9911101000000.

The previous prime is 10010212010089. The next prime is 10010212010111. The reversal of 10010212010101 is 10101021201001.

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 5847081869476 + 4163130140625 = 2418074^2 + 2040375^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010212010101 - 233 = 10001622075509 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 (10010212010111) 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, 49555504900 + ... + 49555505101.

It is an arithmetic number, because the mean of its divisors is an integer number (2527330755051).

Almost surely, 210010212010101 is an apocalyptic number.

It is an amenable number.

10010212010101 is a deficient number, since it is larger than the sum of its proper divisors (99111010103).

10010212010101 is an equidigital number, since it uses as much as digits as its factorization.

10010212010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99111010102.

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

Adding to 10010212010101 its reverse (10101021201001), we get a palindrome (20111233211102).

The spelling of 10010212010101 in words is "ten trillion, ten billion, two hundred twelve million, ten thousand, one hundred one".

Divisors: 1 101 99111010001 10010212010101