Search a number
-
+
112211212220101 = 240503466568867
BaseRepresentation
bin11001100000111000110101…
…011100011011011011000101
3112201022021202022110010001201
4121200320311130123123011
5104201432030312020401
61034353041431422501
732430664305336151
oct3140706534333305
9481267668403051
10112211212220101
1132832564a5a085
121070334bb24a31
134a7c619a24857
141d9d0a1a26061
15ce8d10173b01
hex660e3571b6c5

112211212220101 has 4 divisors (see below), whose sum is σ = 112211679029472. Its totient is φ = 112210745410732.

The previous prime is 112211212220083. The next prime is 112211212220113. The reversal of 112211212220101 is 101022212112211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112211212220101 is a prime.

It is a super-2 number, since 2×1122112122201012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211212226101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233043931 + ... + 233524936.

It is an arithmetic number, because the mean of its divisors is an integer number (28052919757368).

Almost surely, 2112211212220101 is an apocalyptic number.

It is an amenable number.

112211212220101 is a deficient number, since it is larger than the sum of its proper divisors (466809371).

112211212220101 is an equidigital number, since it uses as much as digits as its factorization.

112211212220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466809370.

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

Adding to 112211212220101 its reverse (101022212112211), we get a palindrome (213233424332312).

The spelling of 112211212220101 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty thousand, one hundred one".

Divisors: 1 240503 466568867 112211212220101