Search a number
-
+
111201102220 = 22513870749121
BaseRepresentation
bin110011110010000011…
…0100010100110001100
3101122000210111021212111
41213210012202212030
53310214440232340
6123030213313404
711014444526125
oct1474406424614
9348023437774
10111201102220
1143184139a7a
1219675035864
13a6422b8c90
14554c91d04c
152d5c79eaea
hex19e41a298c

111201102220 has 48 divisors (see below), whose sum is σ = 251519573088. Its totient is φ = 41053317120.

The previous prime is 111201102211. The next prime is 111201102239. The reversal of 111201102220 is 22201102111.

It is a super-3 number, since 3×1112011022203 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 111201102220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239260 + ... + 2288380.

It is an arithmetic number, because the mean of its divisors is an integer number (5239991106).

Almost surely, 2111201102220 is an apocalyptic number.

111201102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201102220 is an abundant number, since it is smaller than the sum of its proper divisors (140318470868).

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

111201102220 is a wasteful number, since it uses less digits than its factorization.

111201102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57850 (or 57848 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111201102220 its reverse (22201102111), we get a palindrome (133402204331).

The spelling of 111201102220 in words is "one hundred eleven billion, two hundred one million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8707 17414 34828 43535 49121 87070 98242 113191 174140 196484 226382 245605 452764 491210 565955 638573 982420 1131910 1277146 2263820 2554292 3192865 6385730 12771460 427696547 855393094 1710786188 2138482735 4276965470 5560055111 8553930940 11120110222 22240220444 27800275555 55600551110 111201102220