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120111111049 is a prime number
BaseRepresentation
bin110111111011100101…
…1100001101110001001
3102111000202020122012111
41233313023201232021
53431441421023144
6131102301542321
711451315412216
oct1576713415611
9374022218174
10120111111049
1146a36655536
121b340b749a1
13b43221b357
145b55dcab0d
1531ceb02534
hex1bf72e1b89

120111111049 has 2 divisors, whose sum is σ = 120111111050. Its totient is φ = 120111111048.

The previous prime is 120111110953. The next prime is 120111111089. The reversal of 120111111049 is 940111111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103366751049 + 16744360000 = 321507^2 + 129400^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111111049 - 27 = 120111110921 is a prime.

It is not a weakly prime, because it can be changed into another prime (120111111089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055555524 + 60055555525.

It is an arithmetic number, because the mean of its divisors is an integer number (60055555525).

Almost surely, 2120111111049 is an apocalyptic number.

It is an amenable number.

120111111049 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111111049 is an equidigital number, since it uses as much as digits as its factorization.

120111111049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 120111111049 in words is "one hundred twenty billion, one hundred eleven million, one hundred eleven thousand, forty-nine".