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1102122012220 = 225296111861001
BaseRepresentation
bin10000000010011011100…
…101110100111000111100
310220100202210000011020221
4100002123211310320330
5121024121213342340
62202150255351124
7142424416351045
oct20023345647074
93810683004227
101102122012220
113954531641a9
121597225224a4
137cc116023c8
143b4b32438cc
151da06e1544a
hex1009b974e3c

1102122012220 has 24 divisors (see below), whose sum is σ = 2314535631408. Its totient is φ = 440833680000.

The previous prime is 1102122012197. The next prime is 1102122012221. The reversal of 1102122012220 is 222102212011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1102122012194 and 1102122012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102122012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338281 + ... + 1522720.

It is an arithmetic number, because the mean of its divisors is an integer number (96438984642).

Almost surely, 21102122012220 is an apocalyptic number.

1102122012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102122012220 is an abundant number, since it is smaller than the sum of its proper divisors (1212413619188).

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

1102122012220 is a wasteful number, since it uses less digits than its factorization.

1102122012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890621 (or 1890619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1102122012220 its reverse (222102212011), we get a palindrome (1324224224231).

The spelling of 1102122012220 in words is "one trillion, one hundred two billion, one hundred twenty-two million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29611 59222 118444 148055 296110 592220 1861001 3722002 7444004 9305005 18610010 37220020 55106100611 110212201222 220424402444 275530503055 551061006110 1102122012220