Search a number
-
+
122102212101011 = 4197168831818521
BaseRepresentation
bin11011110000110100100010…
…111110101000001110010011
3121000022212011002201121021022
4123300310202332220032103
5112001010312244213021
61111404552025550055
734501410433206632
oct3360644276501623
9530285132647238
10122102212101011
11359a629159534a
121184028794532b
13531925c87b08c
142221ac868b519
15e1b25ab7a1ab
hex6f0d22fa8393

122102212101011 has 16 divisors (see below), whose sum is σ = 126377357143968. Its totient is φ = 117888977817600.

The previous prime is 122102212100989. The next prime is 122102212101137. The reversal of 122102212101011 is 110101212201221.

It is a cyclic number.

It is not a de Polignac number, because 122102212101011 - 238 = 121827334194067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102218101011) 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, 66234431 + ... + 68052951.

It is an arithmetic number, because the mean of its divisors is an integer number (7898584821498).

Almost surely, 2122102212101011 is an apocalyptic number.

122102212101011 is a deficient number, since it is larger than the sum of its proper divisors (4275145042957).

122102212101011 is a wasteful number, since it uses less digits than its factorization.

122102212101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835542.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122102212101011 its reverse (110101212201221), we get a palindrome (232203424302232).

The spelling of 122102212101011 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twelve million, one hundred one thousand, eleven".

Divisors: 1 41 97 3977 16883 692203 1637651 1818521 67143691 74559361 176396537 7232258017 30702090043 1258785691763 2978102734171 122102212101011