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120111112201 is a prime number
BaseRepresentation
bin110111111011100101…
…1100010000000001001
3102111000202020200210011
41233313023202000021
53431441421042301
6131102301551521
711451315415453
oct1576713420011
9374022220704
10120111112201
1146a36656393
121b340b755a1
13b43221ba32
145b55dcb2d3
1531ceb02a51
hex1bf72e2009

120111112201 has 2 divisors, whose sum is σ = 120111112202. Its totient is φ = 120111112200.

The previous prime is 120111112193. The next prime is 120111112223. The reversal of 120111112201 is 102211111021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112777758976 + 7333353225 = 335824^2 + 85635^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111112201 - 23 = 120111112193 is a prime.

It is a super-2 number, since 2×1201111122012 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120111112241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055556100 + 60055556101.

It is an arithmetic number, because the mean of its divisors is an integer number (60055556101).

Almost surely, 2120111112201 is an apocalyptic number.

It is an amenable number.

120111112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111112201 is an equidigital number, since it uses as much as digits as its factorization.

120111112201 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 13.

Adding to 120111112201 its reverse (102211111021), we get a palindrome (222322223222).

The spelling of 120111112201 in words is "one hundred twenty billion, one hundred eleven million, one hundred twelve thousand, two hundred one".