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112220201020121 = 437136757353757
BaseRepresentation
bin11001100001000001001101…
…001101111110101011011001
3112201100010221202110110120222
4121201001031031332223121
5104202103432430120441
61034401125412525425
732431433124022205
oct3141011515765331
9481303852413528
10112220201020121
11328363579a0627
121070503a320875
134a8042008302c
141d9d6b5763b05
15ce918938bd4b
hex66104d37ead9

112220201020121 has 8 divisors (see below), whose sum is σ = 116447296705344. Its totient is φ = 108066620042640.

The previous prime is 112220201020091. The next prime is 112220201020133. The reversal of 112220201020121 is 121020102022211.

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 112220201020121 - 246 = 41851456842457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112220201020121.

It is not an unprimeable number, because it can be changed into a prime (112220201020181) 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, 18378673826 + ... + 18378679931.

It is an arithmetic number, because the mean of its divisors is an integer number (14555912088168).

Almost surely, 2112220201020121 is an apocalyptic number.

It is an amenable number.

112220201020121 is a deficient number, since it is larger than the sum of its proper divisors (4227095685223).

112220201020121 is an equidigital number, since it uses as much as digits as its factorization.

112220201020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36757353871.

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

Adding to 112220201020121 its reverse (121020102022211), we get a palindrome (233240303042332).

The spelling of 112220201020121 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred one million, twenty thousand, one hundred twenty-one".

Divisors: 1 43 71 3053 36757353757 1580566211551 2609772116747 112220201020121