Search a number
-
+
121201321119 = 31911322982171
BaseRepresentation
bin111000011100000101…
…0010110010010011111
3102120211201200001021020
41300320022112102133
53441210014233434
6131402404535223
711520324142224
oct1607012262237
9376751601236
10121201321119
1147445a9349a
121b5a60b1513
13b577051c78
145c1aadb94b
1532456a2849
hex1c3829649f

121201321119 has 32 divisors (see below), whose sum is σ = 172363987200. Its totient is φ = 75538552320.

The previous prime is 121201321099. The next prime is 121201321217. The reversal of 121201321119 is 911123102121.

It is not a de Polignac number, because 121201321119 - 228 = 120932885663 is a prime.

It is a super-2 number, since 2×1212013211192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201321819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1433904 + ... + 1516074.

It is an arithmetic number, because the mean of its divisors is an integer number (5386374600).

Almost surely, 2121201321119 is an apocalyptic number.

121201321119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

121201321119 is a deficient number, since it is larger than the sum of its proper divisors (51162666081).

121201321119 is a wasteful number, since it uses less digits than its factorization.

121201321119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82535.

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 121201321119 in words is "one hundred twenty-one billion, two hundred one million, three hundred twenty-one thousand, one hundred nineteen".

Divisors: 1 3 19 57 113 229 339 687 2147 4351 6441 13053 25877 77631 82171 246513 491663 1474989 1561249 4683747 9285323 18817159 27855969 56451477 176421137 357526021 529263411 1072578063 2126338967 6379016901 40400440373 121201321119