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120120222222021 = 37432111196952673
BaseRepresentation
bin11011010011111110101011…
…001011010000011011000101
3120202022101021211002200202010
4123103332223023100123011
5111221022203342101041
61103250245052204433
734205254041206160
oct3323765313203305
9522271254080663
10120120222222021
1135301777a09a9a
121158012b469719
13520439967bc58
142193bc7b00ad7
15dd4908da4a16
hex6d3fab2d06c5

120120222222021 has 64 divisors (see below), whose sum is σ = 188204050298880. Its totient is φ = 66719260016640.

The previous prime is 120120222221953. The next prime is 120120222222113. The reversal of 120120222222021 is 120222222021021.

It is not a de Polignac number, because 120120222222021 - 210 = 120120222220997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120222222821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2280463141 + ... + 2280515813.

It is an arithmetic number, because the mean of its divisors is an integer number (2940688285920).

Almost surely, 2120120222222021 is an apocalyptic number.

It is an amenable number.

120120222222021 is a deficient number, since it is larger than the sum of its proper divisors (68083828076859).

120120222222021 is a wasteful number, since it uses less digits than its factorization.

120120222222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64906.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 120120222222021 its reverse (120222222021021), we get a palindrome (240342444243042).

The spelling of 120120222222021 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 3 7 21 43 129 211 301 633 903 1477 4431 9073 11969 27219 35907 52673 63511 83783 158019 190533 251349 368711 514667 1106133 1544001 2264939 2525459 3602669 6794817 7576377 10808007 11114003 15854573 17678213 33342009 47563719 53034639 77798021 108594737 233394063 325784211 477902129 630443137 760163159 1433706387 1891329411 2280489477 3345314903 4413101959 10035944709 13239305877 27109054891 81327164673 133023501907 189763384237 399070505721 569290152711 931164513349 2793493540047 5720010582001 17160031746003 40040074074007 120120222222021