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120112210211021 = 721121812408843
BaseRepresentation
bin11011010011110111001101…
…100111110111000011001101
3120202021121121110002100211222
4123103313031213313003031
5111220404301303223041
61103242442043053125
734204551353222420
oct3323671547670315
9522247543070758
10120112210211021
11352a93363885a6
121157a6742111a5
1352036c07c1b42
1421936679cb9b7
15dd45da7d574b
hex6d3dcd9f70cd

120112210211021 has 8 divisors (see below), whose sum is σ = 137277596823744. Its totient is φ = 102948448458240.

The previous prime is 120112210210943. The next prime is 120112210211083. The reversal of 120112210211021 is 120112012211021.

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

It is not a de Polignac number, because 120112210211021 - 238 = 119837332304077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112210211621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406056575 + ... + 406352268.

It is an arithmetic number, because the mean of its divisors is an integer number (17159699602968).

Almost surely, 2120112210211021 is an apocalyptic number.

It is an amenable number.

120112210211021 is a deficient number, since it is larger than the sum of its proper divisors (17165386612723).

120112210211021 is an equidigital number, since it uses as much as digits as its factorization.

120112210211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812429971.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120112210211021 its reverse (120112012211021), we get a palindrome (240224222422042).

The spelling of 120112210211021 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred ten million, two hundred eleven thousand, twenty-one".

Divisors: 1 7 21121 147847 812408843 5686861901 17158887173003 120112210211021