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113223102121 is a prime number
BaseRepresentation
bin110100101110010011…
…1110110111010101001
3101211020201020112021201
41221130213312322221
53323340103231441
6124003004004201
711115526326433
oct1513447667251
9354221215251
10113223102121
1144021542478
1219b3a230661
13a8a5196b1c
1456a12a3653
152e2a05ac31
hex1a5c9f6ea9

113223102121 has 2 divisors, whose sum is σ = 113223102122. Its totient is φ = 113223102120.

The previous prime is 113223102101. The next prime is 113223102193. The reversal of 113223102121 is 121201322311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85977968400 + 27245133721 = 293220^2 + 165061^2 .

It is an emirp because it is prime and its reverse (121201322311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113223102121 - 211 = 113223100073 is a prime.

It is not a weakly prime, because it can be changed into another prime (113223102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611551060 + 56611551061.

It is an arithmetic number, because the mean of its divisors is an integer number (56611551061).

Almost surely, 2113223102121 is an apocalyptic number.

It is an amenable number.

113223102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113223102121 is an equidigital number, since it uses as much as digits as its factorization.

113223102121 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 113223102121 its reverse (121201322311), we get a palindrome (234424424432).

The spelling of 113223102121 in words is "one hundred thirteen billion, two hundred twenty-three million, one hundred two thousand, one hundred twenty-one".