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22011320101 is a prime number
BaseRepresentation
bin10100011111111110…
…100001011100100101
32002211000011220201211
4110133332201130211
5330034344220401
614040054551421
71406314063621
oct243776413445
962730156654
1022011320101
1193758a8641
124323668571
1320ca2b6684
1410cb48a181
1588c617951
hex51ffa1725

22011320101 has 2 divisors, whose sum is σ = 22011320102. Its totient is φ = 22011320100.

The previous prime is 22011320099. The next prime is 22011320159. The reversal of 22011320101 is 10102311022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20623832100 + 1387488001 = 143610^2 + 37249^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011320101 - 21 = 22011320099 is a prime.

It is a super-3 number, since 3×220113201013 (a number of 32 digits) contains 333 as substring.

Together with 22011320099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011323101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005660050 + 11005660051.

It is an arithmetic number, because the mean of its divisors is an integer number (11005660051).

Almost surely, 222011320101 is an apocalyptic number.

It is an amenable number.

22011320101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011320101 is an equidigital number, since it uses as much as digits as its factorization.

22011320101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22011320101 its reverse (10102311022), we get a palindrome (32113631123).

The spelling of 22011320101 in words is "twenty-two billion, eleven million, three hundred twenty thousand, one hundred one".