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101012200110001 = 112989470504969
BaseRepresentation
bin10110111101111010111100…
…010011100011011110110001
3111020122200010220101202102201
4112331322330103203132301
5101214440441212010001
6554500210351543201
730163614325131145
oct2675727423433661
9436580126352381
10101012200110001
112a205040641304
12b3b4a1152ab01
134449542b6b68b
141ad3033687225
15ba285c133501
hex5bdebc4e37b1

101012200110001 has 4 divisors (see below), whose sum is σ = 101101670616100. Its totient is φ = 100922729603904.

The previous prime is 101012200109999. The next prime is 101012200110007. The reversal of 101012200110001 is 100011002210101.

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 55010924794225 + 46001275315776 = 7416935^2 + 6782424^2 .

It is a cyclic number.

It is not a de Polignac number, because 101012200110001 - 21 = 101012200109999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101012200110001.

It is not an unprimeable number, because it can be changed into a prime (101012200110007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44735251356 + ... + 44735253613.

It is an arithmetic number, because the mean of its divisors is an integer number (25275417654025).

Almost surely, 2101012200110001 is an apocalyptic number.

It is an amenable number.

101012200110001 is a deficient number, since it is larger than the sum of its proper divisors (89470506099).

101012200110001 is an equidigital number, since it uses as much as digits as its factorization.

101012200110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89470506098.

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

Adding to 101012200110001 its reverse (100011002210101), we get a palindrome (201023202320102).

The spelling of 101012200110001 in words is "one hundred one trillion, twelve billion, two hundred million, one hundred ten thousand, one".

Divisors: 1 1129 89470504969 101012200110001