Search a number
-
+
112001121002221 = 11101106394836397
BaseRepresentation
bin11001011101110101001011…
…000010000010001011101101
3112200120012110200202110000221
4121131311023002002023231
5104140011243434032341
61034112334335451341
732406546121422643
oct3135651302021355
9480505420673027
10112001121002221
1132761454a405a0
121068a698986b51
134a65877b5ab49
141d92c51639193
15ce3615d23ed1
hex65dd4b0822ed

112001121002221 has 16 divisors (see below), whose sum is σ = 123508855225728. Its totient is φ = 100716252552000.

The previous prime is 112001121002219. The next prime is 112001121002257. The reversal of 112001121002221 is 122200121100211.

It is a cyclic number.

It is not a de Polignac number, because 112001121002221 - 21 = 112001121002219 is a prime.

It is a super-2 number, since 2×1120011210022212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112001121002195 and 112001121002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001121002261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46237206 + ... + 48599191.

It is an arithmetic number, because the mean of its divisors is an integer number (7719303451608).

Almost surely, 2112001121002221 is an apocalyptic number.

112001121002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112001121002221 is a deficient number, since it is larger than the sum of its proper divisors (11507734223507).

112001121002221 is a wasteful number, since it uses less digits than its factorization.

112001121002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94837572.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112001121002221 its reverse (122200121100211), we get a palindrome (234201242102432).

The spelling of 112001121002221 in words is "one hundred twelve trillion, one billion, one hundred twenty-one million, two thousand, two hundred twenty-one".

Divisors: 1 11 101 1063 1111 11693 107363 1180993 94836397 1043200367 9578476097 100811090011 105363237067 1108921990121 10181920091111 112001121002221