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121222202101120 = 275310553609911
BaseRepresentation
bin11011100100000000111110…
…010010111000110110000000
3120220012201200200122202000101
4123210000332102320312000
5111342101032214213440
61105452413313332144
734351005113504041
oct3344007622706600
9526181620582011
10121222202101120
11356970579144aa
1211719812267054
1352842876a8103
1421d12861068c8
15e0340359169a
hex6e403e4b8d80

121222202101120 has 64 divisors (see below), whose sum is σ = 289798235209440. Its totient is φ = 48488645201920.

The previous prime is 121222202101111. The next prime is 121222202101139. The reversal of 121222202101120 is 21101202222121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198448965 + ... + 199058875.

Almost surely, 2121222202101120 is an apocalyptic number.

121222202101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222202101120 is an abundant number, since it is smaller than the sum of its proper divisors (168576033108320).

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

121222202101120 is an equidigital number, since it uses as much as digits as its factorization.

121222202101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920483 (or 920471 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121222202101120 its reverse (21101202222121), we get a palindrome (142323404323241).

The spelling of 121222202101120 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, one hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 310553 609911 621106 1219822 1242212 1552765 2439644 2484424 3049555 3105530 4879288 4968848 6099110 6211060 9758576 9937696 12198220 12422120 19517152 19875392 24396440 24844240 39034304 39750784 48792880 49688480 78068608 97585760 99376960 195171520 198753920 390343040 189409690783 378819381566 757638763132 947048453915 1515277526264 1894096907830 3030555052528 3788193815660 6061110105056 7576387631320 12122220210112 15152775262640 24244440420224 30305550525280 60611101050560 121222202101120