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120212202111121 = 1075181721681659
BaseRepresentation
bin11011010101010100010101…
…100110101100000010010001
3120202122011201001111012010101
4123111110111212230002101
5111224024042220023441
61103400420120332401
734215021301314151
oct3325242546540221
9522564631435111
10120212202111121
113533778819106a
1211595b1b314101
13520cc67726833
142198431940761
15dd6edde70231
hex6d55159ac091

120212202111121 has 8 divisors (see below), whose sum is σ = 121338027851040. Its totient is φ = 119086419838368.

The previous prime is 120212202111109. The next prime is 120212202111161. The reversal of 120212202111121 is 121111202212021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120212202111121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120212202111101) 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, 5296411 + ... + 16385248.

It is an arithmetic number, because the mean of its divisors is an integer number (15167253481380).

Almost surely, 2120212202111121 is an apocalyptic number.

It is an amenable number.

120212202111121 is a deficient number, since it is larger than the sum of its proper divisors (1125825739919).

120212202111121 is a wasteful number, since it uses less digits than its factorization.

120212202111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733583.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120212202111121 its reverse (121111202212021), we get a palindrome (241323404323142).

The spelling of 120212202111121 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred two million, one hundred eleven thousand, one hundred twenty-one".

Divisors: 1 107 51817 5544419 21681659 2319937513 1123478524403 120212202111121