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1122100201 is a prime number
BaseRepresentation
bin100001011100001…
…1110001111101001
32220012102121002201
41002320132033221
54244224201301
6303202300201
736543460105
oct10270361751
92805377081
101122100201
1152643a542
12273957661
1314b61b021
14a9052905
156879e201
hex42e1e3e9

1122100201 has 2 divisors, whose sum is σ = 1122100202. Its totient is φ = 1122100200.

The previous prime is 1122100193. The next prime is 1122100289. The reversal of 1122100201 is 1020012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 930250000 + 191850201 = 30500^2 + 13851^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122100201 - 23 = 1122100193 is a prime.

It is a super-2 number, since 2×11221002012 = 2518217722168480802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122103201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561050100 + 561050101.

It is an arithmetic number, because the mean of its divisors is an integer number (561050101).

Almost surely, 21122100201 is an apocalyptic number.

It is an amenable number.

1122100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122100201 is an equidigital number, since it uses as much as digits as its factorization.

1122100201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122100201 is about 33497.7641194155. The cubic root of 1122100201 is about 1039.1475389383.

Adding to 1122100201 its reverse (1020012211), we get a palindrome (2142112412).

The spelling of 1122100201 in words is "one billion, one hundred twenty-two million, one hundred thousand, two hundred one".