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2122112234220 = 223511791011093697
BaseRepresentation
bin11110111000010111101…
…111101111001011101100
321111212112122120002002120
4132320113233233023230
5234232041212443340
64302515045552540
7306213630240516
oct36702757571354
97455478502076
102122112234220
11748a8a03a820
122a3343115750
13125164231074
14749d4548bb6
153a3036154d0
hex1ee17bef2ec

2122112234220 has 384 divisors, whose sum is σ = 6691758796800. Its totient is φ = 498161664000.

The previous prime is 2122112234219. The next prime is 2122112234239. The reversal of 2122112234220 is 224322112212.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 574007412 + ... + 574011108.

It is an arithmetic number, because the mean of its divisors is an integer number (17426455200).

Almost surely, 22122112234220 is an apocalyptic number.

2122112234220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122112234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345879398400).

2122112234220 is an abundant number, since it is smaller than the sum of its proper divisors (4569646562580).

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

2122112234220 is a wasteful number, since it uses less digits than its factorization.

2122112234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4007 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2122112234220 its reverse (224322112212), we get a palindrome (2346434346432).

The spelling of 2122112234220 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred thirty-four thousand, two hundred twenty".