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100212112101019 is a prime number
BaseRepresentation
bin10110110010010001110011…
…010110000000111010011011
3111010211011222101122200211011
4112302101303112000322123
5101113333401144213034
6553044450405114351
730052041362225152
oct2662216326007233
9433734871580734
10100212112101019
1129a26799836116
12b2a59416b89b7
1343bbc668b93a9
141aa6413772599
15b8bb31259864
hex5b2473580e9b

100212112101019 has 2 divisors, whose sum is σ = 100212112101020. Its totient is φ = 100212112101018.

The previous prime is 100212112101011. The next prime is 100212112101091. The reversal of 100212112101019 is 910101211212001.

It is a happy number.

Together with next prime (100212112101091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (910101211212001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100212112101019 - 23 = 100212112101011 is a prime.

It is a super-2 number, since 2×1002121121010192 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100212112101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106056050509 + 50106056050510.

It is an arithmetic number, because the mean of its divisors is an integer number (50106056050510).

Almost surely, 2100212112101019 is an apocalyptic number.

100212112101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212112101019 is an equidigital number, since it uses as much as digits as its factorization.

100212112101019 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 100212112101019 in words is "one hundred trillion, two hundred twelve billion, one hundred twelve million, one hundred one thousand, nineteen".