Search a number
-
+
211012111020211 = 5314827268520981
BaseRepresentation
bin101111111110101000010101…
…111010111011000010110011
31000200010120010211022022022221
4233332220111322323002303
5210124210300410121321
62024441343042141511
762306056551466024
oct5776502572730263
91020116124268287
10211012111020211
1161264808661a76
121b7bb689051897
139098483849287
143a1707d836c4b
15195dd98ae8e41
hexbfea15ebb0b3

211012111020211 has 8 divisors (see below), whose sum is σ = 215007972539184. Its totient is φ = 207016786572960.

The previous prime is 211012111020169. The next prime is 211012111020241. The reversal of 211012111020211 is 112020111210112.

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 211012111020211 - 27 = 211012111020083 is a prime.

It is a super-2 number, since 2×2110121110202112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211012111020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133474660 + ... + 135046321.

It is an arithmetic number, because the mean of its divisors is an integer number (26875996567398).

Almost surely, 2211012111020211 is an apocalyptic number.

211012111020211 is a deficient number, since it is larger than the sum of its proper divisors (3995861518973).

211012111020211 is a wasteful number, since it uses less digits than its factorization.

211012111020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268535861.

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

Adding to 211012111020211 its reverse (112020111210112), we get a palindrome (323032222230323).

The spelling of 211012111020211 in words is "two hundred eleven trillion, twelve billion, one hundred eleven million, twenty thousand, two hundred eleven".

Divisors: 1 53 14827 785831 268520981 14231611993 3981360585287 211012111020211