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10221101101 is a prime number
BaseRepresentation
bin10011000010011100…
…11010000000101101
3222101022210201211001
421201032122000231
5131413100213401
64410121400301
7511200632401
oct114116320055
928338721731
1010221101101
1143755aa5a2
121b93039091
13c6b752123
146cd679101
153ec4d4601
hex26139a02d

10221101101 has 2 divisors, whose sum is σ = 10221101102. Its totient is φ = 10221101100.

The previous prime is 10221101087. The next prime is 10221101173. The reversal of 10221101101 is 10110112201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6597663076 + 3623438025 = 81226^2 + 60195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10221101101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110550550 + 5110550551.

It is an arithmetic number, because the mean of its divisors is an integer number (5110550551).

Almost surely, 210221101101 is an apocalyptic number.

It is an amenable number.

10221101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221101101 is an equidigital number, since it uses as much as digits as its factorization.

10221101101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10221101101 its reverse (10110112201), we get a palindrome (20331213302).

The spelling of 10221101101 in words is "ten billion, two hundred twenty-one million, one hundred one thousand, one hundred one".