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101001201211121 = 199507543724679
BaseRepresentation
bin10110111101110000101100…
…101110000101011011110001
3111020121121202101000210122112
4112331300230232011123301
5101214300430002223441
6554451151123215105
730163044631052441
oct2675605456053361
9436547671023575
10101001201211121
112a200406a95832
12b3b2861b17495
1344484ac23b2a3
141ad26ac9c2121
15ba24167104eb
hex5bdc2cb856f1

101001201211121 has 4 divisors (see below), whose sum is σ = 101508744936000. Its totient is φ = 100493657486244.

The previous prime is 101001201211087. The next prime is 101001201211123. The reversal of 101001201211121 is 121112102100101.

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 101001201211121 - 214 = 101001201194737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001201211096 and 101001201211105.

It is not an unprimeable number, because it can be changed into a prime (101001201211123) 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, 253771862141 + ... + 253771862538.

It is an arithmetic number, because the mean of its divisors is an integer number (25377186234000).

Almost surely, 2101001201211121 is an apocalyptic number.

It is an amenable number.

101001201211121 is a deficient number, since it is larger than the sum of its proper divisors (507543724879).

101001201211121 is an equidigital number, since it uses as much as digits as its factorization.

101001201211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507543724878.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101001201211121 its reverse (121112102100101), we get a palindrome (222113303311222).

The spelling of 101001201211121 in words is "one hundred one trillion, one billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 199 507543724679 101001201211121