Search a number
-
+
122102110022020 = 2256105105501101
BaseRepresentation
bin11011110000110100011100…
…111001001110100110000100
3121000022211212222122110012221
4123300310130321032212010
5112001010110131201040
61111404533542022124
734501405053435352
oct3360643471164604
9530284788573187
10122102110022020
11359a6239a03947
1211840259717944
13531924468a1cb
142221ab8cb87d2
15e1b251c1474a
hex6f0d1ce4e984

122102110022020 has 12 divisors (see below), whose sum is σ = 256414431046284. Its totient is φ = 48840844008800.

The previous prime is 122102110021993. The next prime is 122102110022033. The reversal of 122102110022020 is 20220011201221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14964332877376 + 107137777144644 = 3868376^2 + 10350738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122102110021985 and 122102110022003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052552750531 + ... + 3052552750570.

It is an arithmetic number, because the mean of its divisors is an integer number (21367869253857).

Almost surely, 2122102110022020 is an apocalyptic number.

122102110022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102110022020 is an abundant number, since it is smaller than the sum of its proper divisors (134312321024264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122102110022020 is a wasteful number, since it uses less digits than its factorization.

122102110022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105105501110 (or 6105105501108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122102110022020 its reverse (20220011201221), we get a palindrome (142322121223241).

The spelling of 122102110022020 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred ten million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 6105105501101 12210211002202 24420422004404 30525527505505 61051055011010 122102110022020