Search a number
-
+
122110212211 = 13431131933133
BaseRepresentation
bin111000110111001010…
…1011111100001110011
3102200012001220111110021
41301232111133201303
54000040203242321
6132032513344311
711552001451411
oct1615625374163
9380161814407
10122110212211
1147872038859
121b7ba568097
13b69043c550
145ca56d02b1
15329a388941
hex1c6e55f873

122110212211 has 16 divisors (see below), whose sum is σ = 135752402016. Its totient is φ = 109121435136.

The previous prime is 122110212197. The next prime is 122110212229. The reversal of 122110212211 is 112212011221.

It is a cyclic number.

It is not a de Polignac number, because 122110212211 - 217 = 122110081139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122110212251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903400 + ... + 1029733.

It is an arithmetic number, because the mean of its divisors is an integer number (8484525126).

Almost surely, 2122110212211 is an apocalyptic number.

122110212211 is a deficient number, since it is larger than the sum of its proper divisors (13642189805).

122110212211 is a wasteful number, since it uses less digits than its factorization.

122110212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933302.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122110212211 its reverse (112212011221), we get a palindrome (234322223432).

The spelling of 122110212211 in words is "one hundred twenty-two billion, one hundred ten million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 13 43 113 559 1469 4859 63167 1933133 25130729 83124719 218444029 1080621347 2839772377 9393093247 122110212211