Search a number
-
+
1102212012222 = 232193222842141
BaseRepresentation
bin10000000010100000111…
…101001001100010111110
310220101000001100122001100
4100002200331021202332
5121024312233342342
62202203232353530
7142426561343526
oct20024075114276
93811001318040
101102212012222
11395499a45572
121597486a58a6
137cc27154349
143b4c1190686
151da0ec91e4c
hex100a0f498be

1102212012222 has 24 divisors (see below), whose sum is σ = 2513816870760. Its totient is φ = 348066951120.

The previous prime is 1102212012221. The next prime is 1102212012259. The reversal of 1102212012222 is 2222102122011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1102212012195 and 1102212012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102212012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611420729 + ... + 1611421412.

It is an arithmetic number, because the mean of its divisors is an integer number (104742369615).

Almost surely, 21102212012222 is an apocalyptic number.

1102212012222 is an abundant number, since it is smaller than the sum of its proper divisors (1411604858538).

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

1102212012222 is a wasteful number, since it uses less digits than its factorization.

1102212012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222842168 (or 3222842165 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1102212012222 its reverse (2222102122011), we get a palindrome (3324314134233).

The spelling of 1102212012222 in words is "one trillion, one hundred two billion, two hundred twelve million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 3222842141 6445684282 9668526423 19337052846 29005579269 58011158538 61234000679 122468001358 183702002037 367404004074 551106006111 1102212012222