Search a number
-
+
202011022221211 = 731240423742891
BaseRepresentation
bin101101111011101001011011…
…001110000101111110011011
3222111021001202110201202112201
4231323221123032011332123
5202434222033142034321
61553350325450551031
760356546310205360
oct5573513316057633
9874231673652481
10202011022221211
115940443669a065
121a7a710a738477
13889473322b028
1437c55582ca467
151854b84a4a291
hexb7ba5b385f9b

202011022221211 has 24 divisors (see below), whose sum is σ = 238563612356352. Its totient is φ = 167562375656400.

The previous prime is 202011022221181. The next prime is 202011022221223. The reversal of 202011022221211 is 112122220110202.

It is not a de Polignac number, because 202011022221211 - 25 = 202011022221179 is a prime.

It is a super-4 number, since 4×2020110222212114 (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (202011022221241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271554076 + ... + 272296966.

It is an arithmetic number, because the mean of its divisors is an integer number (9940150514848).

Almost surely, 2202011022221211 is an apocalyptic number.

202011022221211 is a deficient number, since it is larger than the sum of its proper divisors (36552590135141).

202011022221211 is an equidigital number, since it uses as much as digits as its factorization.

202011022221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783383 (or 783352 counting only the distinct ones).

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

Adding to 202011022221211 its reverse (112122220110202), we get a palindrome (314133242331413).

The spelling of 202011022221211 in words is "two hundred two trillion, eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 31 217 961 6727 40423 282961 742891 1253113 5200237 8771791 23029621 38846503 161207347 271925521 713918251 4997427757 30029882893 210209180251 930926369683 6516484587781 28858717460173 202011022221211