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101122201001 is a prime number
BaseRepresentation
bin101111000101101011…
…0100101010110101001
3100200000101021001121202
41132023112211112221
53124044240413001
6114242131413545
710206621345353
oct1361326452651
9320011231552
10101122201001
1139981934348
12177217542b5
1396c71645c3
144c740dc0d3
15296ca0896b
hex178b5a55a9

101122201001 has 2 divisors, whose sum is σ = 101122201002. Its totient is φ = 101122201000.

The previous prime is 101122200947. The next prime is 101122201013. The reversal of 101122201001 is 100102221101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69828591001 + 31293610000 = 264251^2 + 176900^2 .

It is an emirp because it is prime and its reverse (100102221101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101122201001 - 226 = 101055092137 is a prime.

It is not a weakly prime, because it can be changed into another prime (101122203001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561100500 + 50561100501.

It is an arithmetic number, because the mean of its divisors is an integer number (50561100501).

Almost surely, 2101122201001 is an apocalyptic number.

It is an amenable number.

101122201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

101122201001 is an equidigital number, since it uses as much as digits as its factorization.

101122201001 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 11.

Adding to 101122201001 its reverse (100102221101), we get a palindrome (201224422102).

The spelling of 101122201001 in words is "one hundred one billion, one hundred twenty-two million, two hundred one thousand, one".