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121020111202202 = 21941373208248203
BaseRepresentation
bin11011100001000100110000…
…101111010010011110011010
3120212111102001121222101102022
4123201010300233102132122
5111330243141431432302
61105215512132134442
734330262113266602
oct3341046057223632
9525442047871368
10121020111202202
1135619382870a73
12116a6612467422
13526b1bc136754
1421c5594467c02
15ded0267a18a2
hex6e1130bd279a

121020111202202 has 32 divisors (see below), whose sum is σ = 196269767305920. Its totient is φ = 55777198423680.

The previous prime is 121020111202057. The next prime is 121020111202213. The reversal of 121020111202202 is 202202111020121.

It is a super-3 number, since 3×1210201112022023 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103542968 + ... + 104705235.

It is an arithmetic number, because the mean of its divisors is an integer number (6133430228310).

Almost surely, 2121020111202202 is an apocalyptic number.

121020111202202 is a deficient number, since it is larger than the sum of its proper divisors (75249656103718).

121020111202202 is a wasteful number, since it uses less digits than its factorization.

121020111202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208248638.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121020111202202 its reverse (202202111020121), we get a palindrome (323222222222323).

The spelling of 121020111202202 in words is "one hundred twenty-one trillion, twenty billion, one hundred eleven million, two hundred two thousand, two hundred two".

Divisors: 1 2 19 38 41 82 373 746 779 1558 7087 14174 15293 30586 290567 581134 208248203 416496406 3956715857 7913431714 8538176323 17076352646 77676579719 155353159438 162225350137 324450700274 1475855014661 2951710029322 3184739768479 6369479536958 60510055601101 121020111202202