Search a number
-
+
101212110211 = 1931171837199
BaseRepresentation
bin101111001000010110…
…1100011110110000011
3100200020122102220212111
41132100231203312003
53124240300011321
6114255102440151
710212062512342
oct1362055436603
9320218386774
10101212110211
1139a18663483
1217747893057
13970c984114
144c82023b59
1529758685e1
hex1790b63d83

101212110211 has 8 divisors (see below), whose sum is σ = 109975808000. Its totient is φ = 92792086920.

The previous prime is 101212110193. The next prime is 101212110217. The reversal of 101212110211 is 112011212101.

It is a happy number.

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 101212110211 - 211 = 101212108163 is a prime.

It is a super-2 number, since 2×1012121102112 (a number of 23 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 = 101212110191 and 101212110200.

It is not an unprimeable number, because it can be changed into a prime (101212110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85918011 + ... + 85919188.

It is an arithmetic number, because the mean of its divisors is an integer number (13746976000).

Almost surely, 2101212110211 is an apocalyptic number.

101212110211 is a deficient number, since it is larger than the sum of its proper divisors (8763697789).

101212110211 is a wasteful number, since it uses less digits than its factorization.

101212110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171837249.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101212110211 its reverse (112011212101), we get a palindrome (213223322312).

The spelling of 101212110211 in words is "one hundred one billion, two hundred twelve million, one hundred ten thousand, two hundred eleven".

Divisors: 1 19 31 589 171837199 3264906781 5326953169 101212110211