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1112201210220 = 223526370481699
BaseRepresentation
bin10000001011110100010…
…110111010100101101100
310221022210012210110121120
4100023310112322211230
5121210242002211340
62210534351500540
7143232245206002
oct20136426724554
93838705713546
101112201210220
11399755651901
1215b675b27750
1380b5982bba9
143bb8bb00a72
151dde6c194d0
hex102f45ba96c

1112201210220 has 48 divisors (see below), whose sum is σ = 3126004358400. Its totient is φ = 295459278016.

The previous prime is 1112201210209. The next prime is 1112201210231. The reversal of 1112201210220 is 220121022111.

It is an interprime number because it is at equal distance from previous prime (1112201210209) and next prime (1112201210231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1112201210220.

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, 35225070 + ... + 35256629.

It is an arithmetic number, because the mean of its divisors is an integer number (65125090800).

Almost surely, 21112201210220 is an apocalyptic number.

1112201210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112201210220 is an abundant number, since it is smaller than the sum of its proper divisors (2013803148180).

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

1112201210220 is a wasteful number, since it uses less digits than its factorization.

1112201210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70481974 (or 70481972 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1112201210220 its reverse (220121022111), we get a palindrome (1332322232331).

The spelling of 1112201210220 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 263 526 789 1052 1315 1578 2630 3156 3945 5260 7890 15780 70481699 140963398 211445097 281926796 352408495 422890194 704816990 845780388 1057225485 1409633980 2114450970 4228901940 18536686837 37073373674 55610060511 74146747348 92683434185 111220121022 185366868370 222440242044 278050302555 370733736740 556100605110 1112201210220