Search a number
-
+
130222131121 is a prime number
BaseRepresentation
bin111100101000111011…
…0000000011110110001
3110110010101220200020101
41321101312000132301
54113143331143441
6135453452112401
712260011564645
oct1712166003661
9413111820211
10130222131121
1150254aa8575
12212a3165701
13c383c0a274
146434bacc25
1535c25e0231
hex1e51d807b1

130222131121 has 2 divisors, whose sum is σ = 130222131122. Its totient is φ = 130222131120.

The previous prime is 130222131119. The next prime is 130222131173. The reversal of 130222131121 is 121131222031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117350094096 + 12872037025 = 342564^2 + 113455^2 .

It is a cyclic number.

It is not a de Polignac number, because 130222131121 - 21 = 130222131119 is a prime.

Together with 130222131119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130222131421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65111065560 + 65111065561.

It is an arithmetic number, because the mean of its divisors is an integer number (65111065561).

Almost surely, 2130222131121 is an apocalyptic number.

It is an amenable number.

130222131121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130222131121 is an equidigital number, since it uses as much as digits as its factorization.

130222131121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 130222131121 its reverse (121131222031), we get a palindrome (251353353152).

The spelling of 130222131121 in words is "one hundred thirty billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-one".