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100010232121 is a prime number
BaseRepresentation
bin101110100100100010…
…0110000100100111001
3100120010212220012002011
41131021010300210321
53114310104411441
6113535530205521
710140226642522
oct1351104604471
9316125805064
10100010232121
11394611946a8
12174712838a1
13957a982b57
144baa565849
1529050ab581
hex1749130939

100010232121 has 2 divisors, whose sum is σ = 100010232122. Its totient is φ = 100010232120.

The previous prime is 100010232109. The next prime is 100010232143. The reversal of 100010232121 is 121232010001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93981486096 + 6028746025 = 306564^2 + 77645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100010232121 is a prime.

It is not a weakly prime, because it can be changed into another prime (100010232191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005116060 + 50005116061.

It is an arithmetic number, because the mean of its divisors is an integer number (50005116061).

Almost surely, 2100010232121 is an apocalyptic number.

It is an amenable number.

100010232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010232121 is an equidigital number, since it uses as much as digits as its factorization.

100010232121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100010232121 its reverse (121232010001), we get a palindrome (221242242122).

The spelling of 100010232121 in words is "one hundred billion, ten million, two hundred thirty-two thousand, one hundred twenty-one".