Search a number
-
+
201202211102221 = 7173316585789391
BaseRepresentation
bin101101101111111000001010…
…010100100001111000001101
3222101101202002000220210120201
4231233320022110201320031
5202332444112020232341
61551531004133413501
760244244233136650
oct5557701224417015
9871352060823521
10201202211102221
115912241892224a
121a69640549a291
1388363969946a4
14379834ba79897
15183dae7e3b331
hexb6fe0a521e0d

201202211102221 has 8 divisors (see below), whose sum is σ = 230078070445824. Its totient is φ = 172359523340880.

The previous prime is 201202211102219. The next prime is 201202211102227. The reversal of 201202211102221 is 122201112202102.

201202211102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201202211102221 - 21 = 201202211102219 is a prime.

It is a super-2 number, since 2×2012022111022212 (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 (201202211102227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8292882565 + ... + 8292906826.

It is an arithmetic number, because the mean of its divisors is an integer number (28759758805728).

Almost surely, 2201202211102221 is an apocalyptic number.

It is an amenable number.

201202211102221 is a deficient number, since it is larger than the sum of its proper divisors (28875859343603).

201202211102221 is a wasteful number, since it uses less digits than its factorization.

201202211102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16585791131.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201202211102221 its reverse (122201112202102), we get a palindrome (323403323304323).

The spelling of 201202211102221 in words is "two hundred one trillion, two hundred two billion, two hundred eleven million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 7 1733 12131 16585789391 116100525737 28743173014603 201202211102221