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10212012111101 is a prime number
BaseRepresentation
bin1001010010011010101101…
…0110101011010011111101
31100011020222200102101222112
42110212223112223103331
52314303200100023401
633415200020223405
72102536115506343
oct224465326532375
940136880371875
1010212012111101
113287987679069
12118b1a623ab65
13590cb0c8c938
1427439a6a1993
1512a987c2b3bb
hex949ab5ab4fd

10212012111101 has 2 divisors, whose sum is σ = 10212012111102. Its totient is φ = 10212012111100.

The previous prime is 10212012111097. The next prime is 10212012111113. The reversal of 10212012111101 is 10111121021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6593365740025 + 3618646371076 = 2567755^2 + 1902274^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212012111101 - 22 = 10212012111097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212012111131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106006055550 + 5106006055551.

It is an arithmetic number, because the mean of its divisors is an integer number (5106006055551).

Almost surely, 210212012111101 is an apocalyptic number.

It is an amenable number.

10212012111101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212012111101 is an equidigital number, since it uses as much as digits as its factorization.

10212012111101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10212012111101 its reverse (10111121021201), we get a palindrome (20323133132302).

The spelling of 10212012111101 in words is "ten trillion, two hundred twelve billion, twelve million, one hundred eleven thousand, one hundred one".