Search a number
-
+
101022012101 = 927710889513
BaseRepresentation
bin101111000010101100…
…0011001001011000101
3100122202101201221021202
41132011120121023011
53123343113341401
6114224152152245
710204263635423
oct1360530311305
9318671657252
10101022012101
11399303239aa
12176b4098685
1396ac485b2a
144c64a9c113
152963d1806b
hex17856192c5

101022012101 has 4 divisors (see below), whose sum is σ = 101032910892. Its totient is φ = 101011113312.

The previous prime is 101022012097. The next prime is 101022012107. The reversal of 101022012101 is 101210220101.

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 64645605025 + 36376407076 = 254255^2 + 190726^2 .

It is a cyclic number.

It is not a de Polignac number, because 101022012101 - 22 = 101022012097 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 (101022012107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435480 + ... + 5454033.

It is an arithmetic number, because the mean of its divisors is an integer number (25258227723).

Almost surely, 2101022012101 is an apocalyptic number.

It is an amenable number.

101022012101 is a deficient number, since it is larger than the sum of its proper divisors (10898791).

101022012101 is an equidigital number, since it uses as much as digits as its factorization.

101022012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898790.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101022012101 its reverse (101210220101), we get a palindrome (202232232202).

The spelling of 101022012101 in words is "one hundred one billion, twenty-two million, twelve thousand, one hundred one".

Divisors: 1 9277 10889513 101022012101