Search a number
-
+
102221000101 = 119292818191
BaseRepresentation
bin101111100110011011…
…0001010110110100101
3100202211221211211121201
41133030312022312211
53133322034000401
6114543142442501
710246063110313
oct1371466126645
9322757754551
10102221000101
113a3960a9380
1217989733431
1398409b479c
144d3a0070b3
1529d4203b01
hex17ccd8ada5

102221000101 has 4 divisors (see below), whose sum is σ = 111513818304. Its totient is φ = 92928181900.

The previous prime is 102221000093. The next prime is 102221000111. The reversal of 102221000101 is 101000122201.

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 102221000101 - 23 = 102221000093 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 (102221000111) 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, 4646409085 + ... + 4646409106.

It is an arithmetic number, because the mean of its divisors is an integer number (27878454576).

Almost surely, 2102221000101 is an apocalyptic number.

102221000101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102221000101 is a deficient number, since it is larger than the sum of its proper divisors (9292818203).

102221000101 is an equidigital number, since it uses as much as digits as its factorization.

102221000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292818202.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102221000101 its reverse (101000122201), we get a palindrome (203221122302).

The spelling of 102221000101 in words is "one hundred two billion, two hundred twenty-one million, one hundred one", and thus it is an aban number.

Divisors: 1 11 9292818191 102221000101