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121211011220002 = 21147441116135651
BaseRepresentation
bin11011100011110110100011…
…010001000100001000100010
3120220011122210210001002002221
4123203312203101010020202
5111341410122333020002
61105443323030101254
734350130565543344
oct3343664321041042
9526148723032087
10121211011220002
1135692334961920
121171760a4aa82a
1352831c3069c72
1421d0903b49294
15e02e9ad99c37
hex6e3da3444222

121211011220002 has 16 divisors (see below), whose sum is σ = 198349473678624. Its totient is φ = 55094752360000.

The previous prime is 121211011219973. The next prime is 121211011220003. The reversal of 121211011220002 is 200022110112121.

It is not an unprimeable number, because it can be changed into a prime (121211011220003) 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, 57024124 + ... + 59111527.

It is an arithmetic number, because the mean of its divisors is an integer number (12396842104914).

Almost surely, 2121211011220002 is an apocalyptic number.

121211011220002 is a deficient number, since it is larger than the sum of its proper divisors (77138462458622).

121211011220002 is a wasteful number, since it uses less digits than its factorization.

121211011220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116183105.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121211011220002 its reverse (200022110112121), we get a palindrome (321233121332123).

The spelling of 121211011220002 in words is "one hundred twenty-one trillion, two hundred eleven billion, eleven million, two hundred twenty thousand, two".

Divisors: 1 2 11 22 47441 94882 521851 1043702 116135651 232271302 1277492161 2554984322 5509591419091 11019182838182 60605505610001 121211011220002