Search a number
-
+
202202221122101 = 845237239225473
BaseRepresentation
bin101101111110011011011111…
…100100000001001000110101
3222111221100021110012021202102
4231332123133210001020311
5203000340122101401401
61554014230142551445
760406425352100324
oct5576333744011065
9874840243167672
10202202221122101
1159478531471232
121a81818a898585
1388a978405ab45
1437d08d55700bb
151859b254d156b
hexb7e6df901235

202202221122101 has 4 divisors (see below), whose sum is σ = 202202461192812. Its totient is φ = 202201981051392.

The previous prime is 202202221122007. The next prime is 202202221122169. The reversal of 202202221122101 is 101221122202202.

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 201681153699601 + 521067422500 = 14201449^2 + 721850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202202221122101 is a prime.

It is a super-2 number, since 2×2022022211221012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202221121101) 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, 118767500 + ... + 120457973.

It is an arithmetic number, because the mean of its divisors is an integer number (50550615298203).

Almost surely, 2202202221122101 is an apocalyptic number.

It is an amenable number.

202202221122101 is a deficient number, since it is larger than the sum of its proper divisors (240070711).

202202221122101 is an equidigital number, since it uses as much as digits as its factorization.

202202221122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240070710.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202202221122101 its reverse (101221122202202), we get a palindrome (303423343324303).

The spelling of 202202221122101 in words is "two hundred two trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 845237 239225473 202202221122101