Search a number
-
+
111012200112220 = 22511975202071233
BaseRepresentation
bin11001001111011100001010…
…110000001110000001011100
3112120001122220002122010022021
4121033130022300032001130
5104022310441212042340
61032034144541025524
732245236543515101
oct3117341260160134
9476048802563267
10111012200112220
1132410011976a60
121054aaa92552a4
1349c3536cc7bc4
141d5b03a7b6aa8
15cc7a37076e4a
hex64f70ac0e05c

111012200112220 has 48 divisors (see below), whose sum is σ = 256940702389728. Its totient is φ = 39951907061760.

The previous prime is 111012200112197. The next prime is 111012200112221. The reversal of 111012200112220 is 22211002210111.

It is a junction number, because it is equal to n+sod(n) for n = 111012200112194 and 111012200112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012200112221) 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, 2601014277 + ... + 2601056956.

It is an arithmetic number, because the mean of its divisors is an integer number (5352931299786).

Almost surely, 2111012200112220 is an apocalyptic number.

111012200112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012200112220 is an abundant number, since it is smaller than the sum of its proper divisors (145928502277508).

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

111012200112220 is a wasteful number, since it uses less digits than its factorization.

111012200112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202071350 (or 5202071348 counting only the distinct ones).

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

Adding to 111012200112220 its reverse (22211002210111), we get a palindrome (133223202322331).

The spelling of 111012200112220 in words is "one hundred eleven trillion, twelve billion, two hundred million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 97 110 194 220 388 485 970 1067 1940 2134 4268 5335 10670 21340 5202071233 10404142466 20808284932 26010356165 52020712330 57222783563 104041424660 114445567126 228891134252 286113917815 504600909601 572227835630 1009201819202 1144455671260 2018403638404 2523004548005 5046009096010 5550610005611 10092018192020 11101220011222 22202440022444 27753050028055 55506100056110 111012200112220