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112220012122021 = 235923982363493
BaseRepresentation
bin11001100001000001000001…
…111101011000111110100101
3112201100010110121000110010001
4121201001001331120332211
5104202103041100401041
61034401054544101301
732431425341303656
oct3141010175307645
9481303417013101
10112220012122021
11328362703006a1
1210704ba7004831
134a803bcbb4ccb
141d9d69863152d
15ce91779c7131
hex661041f58fa5

112220012122021 has 8 divisors (see below), whose sum is σ = 117101121229440. Its totient is φ = 107339067860112.

The previous prime is 112220012122019. The next prime is 112220012122109. The reversal of 112220012122021 is 120221210022211.

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 112220012122021 - 21 = 112220012122019 is a prime.

It is a super-2 number, since 2×1122200121220212 (a number of 29 digits) contains 22 as substring.

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 112220012122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220012122121) 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, 39819250 + ... + 42544243.

It is an arithmetic number, because the mean of its divisors is an integer number (14637640153680).

Almost surely, 2112220012122021 is an apocalyptic number.

It is an amenable number.

112220012122021 is a deficient number, since it is larger than the sum of its proper divisors (4881109107419).

112220012122021 is an equidigital number, since it uses as much as digits as its factorization.

112220012122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82422755.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112220012122021 its reverse (120221210022211), we get a palindrome (232441222144232).

The spelling of 112220012122021 in words is "one hundred twelve trillion, two hundred twenty billion, twelve million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 23 59239 1362497 82363493 1894360339 4879130961827 112220012122021