Search a number
-
+
10022021102221 = 13972100871239
BaseRepresentation
bin1001000111010110111100…
…0000011111101010001101
31022111002120212211011002221
42101311233000133222031
52303200044400232341
633152015233415341
72053032011542432
oct221655700375215
938432525734087
1010022021102221
113214351703057
12115a40270a551
135790c348851b
142690d5a03b89
15125a6833ded1
hex91d6f01fa8d

10022021102221 has 4 divisors (see below), whose sum is σ = 10094121973600. Its totient is φ = 9949920230844.

The previous prime is 10022021102209. The next prime is 10022021102231. The reversal of 10022021102221 is 12220112022001.

It is a happy number.

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 10022021102221 - 25 = 10022021102189 is a prime.

It is a super-2 number, since 2×100220211022212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022021102195 and 10022021102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022021102231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36050435481 + ... + 36050435758.

It is an arithmetic number, because the mean of its divisors is an integer number (2523530493400).

Almost surely, 210022021102221 is an apocalyptic number.

It is an amenable number.

10022021102221 is a deficient number, since it is larger than the sum of its proper divisors (72100871379).

10022021102221 is an equidigital number, since it uses as much as digits as its factorization.

10022021102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72100871378.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10022021102221 its reverse (12220112022001), we get a palindrome (22242133124222).

The spelling of 10022021102221 in words is "ten trillion, twenty-two billion, twenty-one million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 139 72100871239 10022021102221