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2201011111120 = 24527512638889
BaseRepresentation
bin100000000001110110011…
…111000100010011010000
321210102012020201022011111
4200001312133010103100
5242030132321023440
64403044110423104
7315006051520633
oct40016637042320
97712166638144
102201011111120
11779497434808
122b66a2201a94
1312c7291b0c43
147875ad71c1a
153c3c00ca4ea
hex200767c44d0

2201011111120 has 20 divisors (see below), whose sum is σ = 5117350833540. Its totient is φ = 880404444416.

The previous prime is 2201011111111. The next prime is 2201011111133. The reversal of 2201011111120 is 211111101022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 518843614864 + 1682167496256 = 720308^2 + 1296984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×22010111111202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201011111120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13756319365 + ... + 13756319524.

It is an arithmetic number, because the mean of its divisors is an integer number (255867541677).

Almost surely, 22201011111120 is an apocalyptic number.

2201011111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201011111120 is an abundant number, since it is smaller than the sum of its proper divisors (2916339722420).

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

2201011111120 is a wasteful number, since it uses less digits than its factorization.

2201011111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27512638902 (or 27512638896 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2201011111120 its reverse (211111101022), we get a palindrome (2412122212142).

The spelling of 2201011111120 in words is "two trillion, two hundred one billion, eleven million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 27512638889 55025277778 110050555556 137563194445 220101111112 275126388890 440202222224 550252777780 1100505555560 2201011111120