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1112220112220 = 225717944382287
BaseRepresentation
bin10000001011110101011…
…111000001010101011100
310221022211112100210021122
4100023311133001111130
5121210311322042340
62210540304550112
7143232564652610
oct20136537012534
93838745323248
101112220112220
11399765292198
1215b680322338
1380b607195c9
143bb90421340
151dde86eedb5
hex102f57c155c

1112220112220 has 48 divisors (see below), whose sum is σ = 2684240778240. Its totient is φ = 379202251584.

The previous prime is 1112220112193. The next prime is 1112220112231. The reversal of 1112220112220 is 222110222111.

It is a congruent number.

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, 22166084 + ... + 22216203.

It is an arithmetic number, because the mean of its divisors is an integer number (55921682880).

Almost surely, 21112220112220 is an apocalyptic number.

1112220112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112220112220 is an abundant number, since it is smaller than the sum of its proper divisors (1572020666020).

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

1112220112220 is a wasteful number, since it uses less digits than its factorization.

1112220112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44382482 (or 44382480 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112220112220 its reverse (222110222111), we get a palindrome (1334330334331).

The spelling of 1112220112220 in words is "one trillion, one hundred twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 179 358 716 895 1253 1790 2506 3580 5012 6265 12530 25060 44382287 88764574 177529148 221911435 310676009 443822870 621352018 887645740 1242704036 1553380045 3106760090 6213520180 7944429373 15888858746 31777717492 39722146865 55611005611 79444293730 111222011222 158888587460 222444022444 278055028055 556110056110 1112220112220