Search a number
-
+
10110112211221 = 1117109471493873
BaseRepresentation
bin1001001100011111000110…
…1001011010000100010101
31022210111222002210011001121
42103013301221122010111
52311121002211224341
633300304343523541
72062301001606211
oct223076151320425
938714862704047
1010110112211221
113248746856080
1211734a81595b1
135844c19830a9
1426d4911a1941
15127ec1d034d1
hex931f1a5a115

10110112211221 has 16 divisors (see below), whose sum is σ = 11678120898048. Its totient is φ = 8650266854400.

The previous prime is 10110112211207. The next prime is 10110112211231. The reversal of 10110112211221 is 12211221101101.

It is a cyclic number.

It is not a de Polignac number, because 10110112211221 - 225 = 10110078656789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10110112211195 and 10110112211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110112211201) 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, 20224141 + ... + 20718013.

It is an arithmetic number, because the mean of its divisors is an integer number (729882556128).

Almost surely, 210110112211221 is an apocalyptic number.

10110112211221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10110112211221 is a deficient number, since it is larger than the sum of its proper divisors (1568008686827).

10110112211221 is a wasteful number, since it uses less digits than its factorization.

10110112211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603372.

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

Adding to 10110112211221 its reverse (12211221101101), we get a palindrome (22321333312322).

It can be divided in two parts, 101101 and 12211221, that multiplied together give a palindrome (1234566654321).

The spelling of 10110112211221 in words is "ten trillion, one hundred ten billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-one".

Divisors: 1 11 17 187 109471 493873 1204181 1861007 5432603 8395841 20471077 92354251 54064771183 594712483013 919101110111 10110112211221