Search a number
-
+
22120112001 = 3131327427417
BaseRepresentation
bin10100100110011101…
…100001111110000001
32010002120220010011110
4110212131201332001
5330300222041001
614054542433533
71412104564311
oct244635417601
963076803143
1022120112001
1194212545a9
124353b928a9
1321169b7b90
1410dbac9441
15896e573d6
hex526761f81

22120112001 has 16 divisors (see below), whose sum is σ = 31786221824. Its totient is φ = 13602086784.

The previous prime is 22120111973. The next prime is 22120112017. The reversal of 22120112001 is 10021102122.

It is not a de Polignac number, because 22120112001 - 27 = 22120111873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120112081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161956 + ... + 265461.

It is an arithmetic number, because the mean of its divisors is an integer number (1986638864).

Almost surely, 222120112001 is an apocalyptic number.

It is an amenable number.

22120112001 is a deficient number, since it is larger than the sum of its proper divisors (9666109823).

22120112001 is a wasteful number, since it uses less digits than its factorization.

22120112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428760.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22120112001 its reverse (10021102122), we get a palindrome (32141214123).

The spelling of 22120112001 in words is "twenty-two billion, one hundred twenty million, one hundred twelve thousand, one".

Divisors: 1 3 13 39 1327 3981 17251 51753 427417 1282251 5556421 16669263 567182359 1701547077 7373370667 22120112001