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112101721969 is a prime number
BaseRepresentation
bin110100001100111001…
…0001000011101110001
3101201100120011111220111
41220121302020131301
53314041020100334
6123255424541321
711045661625516
oct1503162103561
9351316144814
10112101721969
11435a6554a16
1219886781841
13a756a6b783
1455d639b30d
152db18a0064
hex1a19c88771

112101721969 has 2 divisors, whose sum is σ = 112101721970. Its totient is φ = 112101721968.

The previous prime is 112101721957. The next prime is 112101722021. The reversal of 112101721969 is 969127101211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111599424225 + 502297744 = 334065^2 + 22412^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101721969 - 213 = 112101713777 is a prime.

It is a super-2 number, since 2×1121017219692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112101721909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050860984 + 56050860985.

It is an arithmetic number, because the mean of its divisors is an integer number (56050860985).

Almost surely, 2112101721969 is an apocalyptic number.

It is an amenable number.

112101721969 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101721969 is an equidigital number, since it uses as much as digits as its factorization.

112101721969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 40.

The spelling of 112101721969 in words is "one hundred twelve billion, one hundred one million, seven hundred twenty-one thousand, nine hundred sixty-nine".