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10212201101 is a prime number
BaseRepresentation
bin10011000001011000…
…11101001010001101
3222100201001120022102
421200230131022031
5131403310413401
64405202524445
7511032164024
oct114054351215
928321046272
1010212201101
114370580923
121b90066725
13c6995715b
146cc3dd8bb
153eb82756b
hex260b1d28d

10212201101 has 2 divisors, whose sum is σ = 10212201102. Its totient is φ = 10212201100.

The previous prime is 10212201091. The next prime is 10212201127. The reversal of 10212201101 is 10110221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6821934025 + 3390267076 = 82595^2 + 58226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10212201101 is a prime.

It is a super-2 number, since 2×102122011012 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10232201101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106100550 + 5106100551.

It is an arithmetic number, because the mean of its divisors is an integer number (5106100551).

Almost surely, 210212201101 is an apocalyptic number.

It is an amenable number.

10212201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212201101 is an equidigital number, since it uses as much as digits as its factorization.

10212201101 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 11.

Adding to 10212201101 its reverse (10110221201), we get a palindrome (20322422302).

The spelling of 10212201101 in words is "ten billion, two hundred twelve million, two hundred one thousand, one hundred one".