Search a number
-
+
121333333141 is a prime number
BaseRepresentation
bin111000100000000000…
…1111011110010010101
3102121011221001221201101
41301000001323302111
53441442313130031
6131423442230101
711523516213016
oct1610001736225
9377157057641
10121333333141
114750355a039
121b622355331
13b5984c34a7
145c3046300d
15325207c361
hex1c4007bc95

121333333141 has 2 divisors, whose sum is σ = 121333333142. Its totient is φ = 121333333140.

The previous prime is 121333333117. The next prime is 121333333193. The reversal of 121333333141 is 141333333121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61841245041 + 59492088100 = 248679^2 + 243910^2 .

It is a cyclic number.

It is not a de Polignac number, because 121333333141 - 29 = 121333332629 is a prime.

It is a super-2 number, since 2×1213333331412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121333334141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666666570 + 60666666571.

It is an arithmetic number, because the mean of its divisors is an integer number (60666666571).

Almost surely, 2121333333141 is an apocalyptic number.

It is an amenable number.

121333333141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333333141 is an equidigital number, since it uses as much as digits as its factorization.

121333333141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

Adding to 121333333141 its reverse (141333333121), we get a palindrome (262666666262).

The spelling of 121333333141 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred forty-one".