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202200011100121 is a prime number
BaseRepresentation
bin101101111110011001011011…
…110101011100111111011001
3222111221010120102122112112111
4231332121123311130333121
5203000321110320200441
61554013222554312321
760406316525160466
oct5576313365347731
9874833512575474
10202200011100121
11594775a7a16a91
121a8178727286a1
1388a94c122a928
1437d0765c4466d
151859a46485081
hexb7e65bd5cfd9

202200011100121 has 2 divisors, whose sum is σ = 202200011100122. Its totient is φ = 202200011100120.

The previous prime is 202200011100103. The next prime is 202200011100133. The reversal of 202200011100121 is 121001110002202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187110554314896 + 15089456785225 = 13678836^2 + 3884515^2 .

It is a cyclic number.

It is not a de Polignac number, because 202200011100121 - 25 = 202200011100089 is a prime.

It is a super-2 number, since 2×2022000111001212 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202200011100421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100005550060 + 101100005550061.

It is an arithmetic number, because the mean of its divisors is an integer number (101100005550061).

Almost surely, 2202200011100121 is an apocalyptic number.

It is an amenable number.

202200011100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

202200011100121 is an equidigital number, since it uses as much as digits as its factorization.

202200011100121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202200011100121 its reverse (121001110002202), we get a palindrome (323201121102323).

The spelling of 202200011100121 in words is "two hundred two trillion, two hundred billion, eleven million, one hundred thousand, one hundred twenty-one".