Search a number
-
+
10021010120101 = 31323258390971
BaseRepresentation
bin1001000111010011001010…
…1111111001110110100101
31022110222222102110221100201
42101310302233321312211
52303141012042320401
633151331040510501
72052664654411621
oct221646257716645
938428872427321
1010021010120101
113213982a69242
12115a18001b431
13578c91ba4756
1426903b638181
15125a096ddb01
hex91d32bf9da5

10021010120101 has 4 divisors (see below), whose sum is σ = 10344268511104. Its totient is φ = 9697751729100.

The previous prime is 10021010120083. The next prime is 10021010120153. The reversal of 10021010120101 is 10102101012001.

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 10021010120101 - 225 = 10020976565669 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 (10021010120501) 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, 161629195455 + ... + 161629195516.

It is an arithmetic number, because the mean of its divisors is an integer number (2586067127776).

Almost surely, 210021010120101 is an apocalyptic number.

It is an amenable number.

10021010120101 is a deficient number, since it is larger than the sum of its proper divisors (323258391003).

10021010120101 is an equidigital number, since it uses as much as digits as its factorization.

10021010120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323258391002.

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

Adding to 10021010120101 its reverse (10102101012001), we get a palindrome (20123111132102).

The spelling of 10021010120101 in words is "ten trillion, twenty-one billion, ten million, one hundred twenty thousand, one hundred one".

Divisors: 1 31 323258390971 10021010120101