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101210111227 is a prime number
BaseRepresentation
bin101111001000010010…
…1111011110011111011
3100200020111200100210001
41132100211323303323
53124234242024402
6114254551533431
710212036515401
oct1362045736373
9320214610701
10101210111227
1139a17518625
121774708a277
13970c4342a4
144c81a63471
1529755c1187
hex179097bcfb

101210111227 has 2 divisors, whose sum is σ = 101210111228. Its totient is φ = 101210111226.

The previous prime is 101210111203. The next prime is 101210111257. The reversal of 101210111227 is 722111012101.

It is a weak prime.

It is an emirp because it is prime and its reverse (722111012101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101210111227 is a prime.

It is a super-2 number, since 2×1012101112272 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101210111257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605055613 + 50605055614.

It is an arithmetic number, because the mean of its divisors is an integer number (50605055614).

Almost surely, 2101210111227 is an apocalyptic number.

101210111227 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210111227 is an equidigital number, since it uses as much as digits as its factorization.

101210111227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 101210111227 its reverse (722111012101), we get a palindrome (823321123328).

The spelling of 101210111227 in words is "one hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-seven".