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22011111010120 = 2351826573012629
BaseRepresentation
bin1010000000100110111000…
…11100111110111101001000
32212221020112011122011010011
411000103130130332331020
510341112223404310440
6114451433110401304
74431151564402321
oct500233434767510
985836464564104
1022011111010120
117016950378211
122575a98660234
13c3883c76c7bb
145614b4637448
1528285d52e9ea
hex1404dc73ef48

22011111010120 has 32 divisors (see below), whose sum is σ = 49525287348600. Its totient is φ = 8804393279488.

The previous prime is 22011111010117. The next prime is 22011111010129. The reversal of 22011111010120 is 2101011111022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20678319264964 + 1332791745156 = 4547342^2 + 1154466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22011111010120.

It is not an unprimeable number, because it can be changed into a prime (22011111010129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5799966 + ... + 8812594.

Almost surely, 222011111010120 is an apocalyptic number.

22011111010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011111010120 is an abundant number, since it is smaller than the sum of its proper divisors (27514176338480).

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

22011111010120 is a wasteful number, since it uses less digits than its factorization.

22011111010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195297 (or 3195293 counting only the distinct ones).

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

Adding to 22011111010120 its reverse (2101011111022), we get a palindrome (24112122121142).

The spelling of 22011111010120 in words is "twenty-two trillion, eleven billion, one hundred eleven million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 182657 365314 730628 913285 1461256 1826570 3012629 3653140 6025258 7306280 12050516 15063145 24101032 30126290 60252580 120505160 550277775253 1100555550506 2201111101012 2751388876265 4402222202024 5502777752530 11005555505060 22011111010120