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112220012121121 = 433537393109699
BaseRepresentation
bin11001100001000001000001…
…111101011000110000100001
3112201100010110121000101212201
4121201001001331120300201
5104202103041100333441
61034401054544053201
732431425341301232
oct3141010175306041
9481303417011781
10112220012121121
11328362702aaa53
1210704ba7004201
134a803bcbb4788
141d9d698631089
15ce91779c6c31
hex661041f58c21

112220012121121 has 8 divisors (see below), whose sum is σ = 115155076687200. Its totient is φ = 109299733775232.

The previous prime is 112220012121089. The next prime is 112220012121167. The reversal of 112220012121121 is 121121210022211.

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 not a de Polignac number, because 112220012121121 - 25 = 112220012121089 is a prime.

It is a super-2 number, since 2×1122200121211212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112220012121181) 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, 3696539671 + ... + 3696570028.

It is an arithmetic number, because the mean of its divisors is an integer number (14394384585900).

Almost surely, 2112220012121121 is an apocalyptic number.

It is an amenable number.

112220012121121 is a deficient number, since it is larger than the sum of its proper divisors (2935064566079).

112220012121121 is an equidigital number, since it uses as much as digits as its factorization.

112220012121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393110095.

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

Adding to 112220012121121 its reverse (121121210022211), we get a palindrome (233341222143332).

The spelling of 112220012121121 in words is "one hundred twelve trillion, two hundred twenty billion, twelve million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 43 353 15179 7393109699 317903717057 2609767723747 112220012121121