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121020202221022 = 213171132423020907
BaseRepresentation
bin11011100001000100110110…
…001010011111110111011110
3120212111102021222020121202201
4123201010312022133313132
5111330243333232033042
61105215525143042114
734330264300034566
oct3341046612376736
9525442258217681
10121020202221022
113561941a188835
12116a6638a4033a
13526b204c54340
1421c55a259bda6
15ded02e7801b7
hex6e113629fdde

121020202221022 has 32 divisors (see below), whose sum is σ = 208825633935072. Its totient is φ = 52104641562624.

The previous prime is 121020202221001. The next prime is 121020202221049. The reversal of 121020202221022 is 220122202020121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211460508 + ... + 1211560399.

It is an arithmetic number, because the mean of its divisors is an integer number (6525801060471).

Almost surely, 2121020202221022 is an apocalyptic number.

121020202221022 is a deficient number, since it is larger than the sum of its proper divisors (87805431714050).

121020202221022 is a wasteful number, since it uses less digits than its factorization.

121020202221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423021052.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121020202221022 its reverse (220122202020121), we get a palindrome (341142404241143).

The spelling of 121020202221022 in words is "one hundred twenty-one trillion, twenty billion, two hundred two million, two hundred twenty-one thousand, twenty-two".

Divisors: 1 2 13 17 26 34 113 221 226 442 1469 1921 2938 3842 24973 49946 2423020907 4846041814 31499271791 41191355419 62998543582 82382710838 273801362491 535487620447 547602724982 1070975240894 3559417712383 4654623162347 7118835424766 9309246324694 60510101110511 121020202221022