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120222221021221 = 1116367050876197
BaseRepresentation
bin11011010101011101101010…
…110001110011000000100101
3120202200010120021211120000211
4123111131222301303000211
5111224210102040134341
61103405154220335421
734215524465535454
oct3325355261630045
9522603507746024
10120222221021221
1135340a59641560
1211597a566a4571
135210ba33052c7
142198b023c6b9b
15dd73c8816181
hex6d576ac73025

120222221021221 has 8 divisors (see below), whose sum is σ = 131956124357664. Its totient is φ = 108622419437520.

The previous prime is 120222221021219. The next prime is 120222221021237. The reversal of 120222221021221 is 122120122222021.

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

It is a cyclic number.

It is not a de Polignac number, because 120222221021221 - 21 = 120222221021219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120222221021192 and 120222221021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222221621221) 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, 33525436306 + ... + 33525439891.

It is an arithmetic number, because the mean of its divisors is an integer number (16494515544708).

Almost surely, 2120222221021221 is an apocalyptic number.

120222221021221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120222221021221 is a deficient number, since it is larger than the sum of its proper divisors (11733903336443).

120222221021221 is a wasteful number, since it uses less digits than its factorization.

120222221021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67050876371.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 120222221021221 its reverse (122120122222021), we get a palindrome (242342343243242).

The spelling of 120222221021221 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, two hundred twenty-one".

Divisors: 1 11 163 1793 67050876197 737559638167 10929292820111 120222221021221