Search a number
-
+
112020212222121 = 3728871847695123
BaseRepresentation
bin11001011110000110111100…
…111101010000100010101001
3112200122000202012020220100110
4121132012330331100202221
5104140314343312101441
61034125213002524533
732411123200212120
oct3136067475204251
9480560665226313
10112020212222121
1132769561490685
1210692326506749
134a675cb186878
141d93b42d5aab7
15ce3d81dcbb16
hex65e1bcf508a9

112020212222121 has 16 divisors (see below), whose sum is σ = 170756592579584. Its totient is φ = 63989377465104.

The previous prime is 112020212222099. The next prime is 112020212222159. The reversal of 112020212222121 is 121222212020211.

112020212222121 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 112020212222121 - 27 = 112020212221993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020212222521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923786935 + ... + 923908188.

It is an arithmetic number, because the mean of its divisors is an integer number (10672287036224).

Almost surely, 2112020212222121 is an apocalyptic number.

It is an amenable number.

112020212222121 is a deficient number, since it is larger than the sum of its proper divisors (58736380357463).

112020212222121 is a wasteful number, since it uses less digits than its factorization.

112020212222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847698020.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112020212222121 its reverse (121222212020211), we get a palindrome (233242424242332).

The spelling of 112020212222121 in words is "one hundred twelve trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 7 21 2887 8661 20209 60627 1847695123 5543085369 12933865861 38801597583 5334295820101 16002887460303 37340070740707 112020212222121