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101200220111 is a prime number
BaseRepresentation
bin101111001000000000…
…0001100111111001111
3100200012211001211201102
41132100000030333033
53124224224020421
6114253555533315
710211556451334
oct1362000147717
9320184054642
10101200220111
1139a11982251
12177438ba23b
13970a380163
144c8060a98b
1529747ba60b
hex179000cfcf

101200220111 has 2 divisors, whose sum is σ = 101200220112. Its totient is φ = 101200220110.

The previous prime is 101200220089. The next prime is 101200220117. The reversal of 101200220111 is 111022002101.

It is a strong prime.

It is an emirp because it is prime and its reverse (111022002101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101200220111 - 26 = 101200220047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101200220092 and 101200220101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101200220117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600110055 + 50600110056.

It is an arithmetic number, because the mean of its divisors is an integer number (50600110056).

Almost surely, 2101200220111 is an apocalyptic number.

101200220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200220111 is an equidigital number, since it uses as much as digits as its factorization.

101200220111 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 101200220111 its reverse (111022002101), we get a palindrome (212222222212).

The spelling of 101200220111 in words is "one hundred one billion, two hundred million, two hundred twenty thousand, one hundred eleven".