Search a number
-
+
121100230113 = 31272811131133
BaseRepresentation
bin111000011001000100…
…0101101110111100001
3102120120200110002110220
41300302020231313201
53441003124330423
6131344354113253
711514655654242
oct1606210556741
9376520402426
10121100230113
11473a3a17305
121b57827b829
13b55c1189c5
145c0b504cc9
15323b8849e3
hex1c3222dde1

121100230113 has 16 divisors (see below), whose sum is σ = 163317651456. Its totient is φ = 79812673920.

The previous prime is 121100230091. The next prime is 121100230123. The reversal of 121100230113 is 311032001121.

It is a happy number.

It is not a de Polignac number, because 121100230113 - 218 = 121099967969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121100230092 and 121100230101.

It is not an unprimeable number, because it can be changed into a prime (121100230123) 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, 458506 + ... + 672627.

It is an arithmetic number, because the mean of its divisors is an integer number (10207353216).

Almost surely, 2121100230113 is an apocalyptic number.

It is an amenable number.

121100230113 is a deficient number, since it is larger than the sum of its proper divisors (42217421343).

121100230113 is a wasteful number, since it uses less digits than its factorization.

121100230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131544.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121100230113 its reverse (311032001121), we get a palindrome (432132231234).

The spelling of 121100230113 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 3 127 281 381 843 35687 107061 1131133 3393399 143653891 317848373 430961673 953545119 40366743371 121100230113