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101112210949 is a prime number
BaseRepresentation
bin101111000101011000…
…0011110011000000101
3100122222200110111211211
41132022300132120011
53124034211222244
6114241133331421
710206440420011
oct1361260363005
9318880414754
10101112210949
1139977230702
121771a336b71
1396c5077429
144c72a5b541
15296bbd3934
hex178ac1e605

101112210949 has 2 divisors, whose sum is σ = 101112210950. Its totient is φ = 101112210948.

The previous prime is 101112210943. The next prime is 101112211021. The reversal of 101112210949 is 949012211101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98521909924 + 2590301025 = 313882^2 + 50895^2 .

It is an emirp because it is prime and its reverse (949012211101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101112210949 - 25 = 101112210917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101112210949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101112210943) 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, 50556105474 + 50556105475.

It is an arithmetic number, because the mean of its divisors is an integer number (50556105475).

Almost surely, 2101112210949 is an apocalyptic number.

It is an amenable number.

101112210949 is a deficient number, since it is larger than the sum of its proper divisors (1).

101112210949 is an equidigital number, since it uses as much as digits as its factorization.

101112210949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 101112210949 in words is "one hundred one billion, one hundred twelve million, two hundred ten thousand, nine hundred forty-nine".