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212101213141 is a prime number
BaseRepresentation
bin1100010110001000110…
…1111010101111010101
3202021110200212000011201
43011202031322233111
511433340402310031
6241234333032501
721216031364536
oct3054215725725
9667420760151
10212101213141
1181a516727a4
1235134325731
131700243071c
14a3a132868d
1557b5a38d61
hex316237abd5

212101213141 has 2 divisors, whose sum is σ = 212101213142. Its totient is φ = 212101213140.

The previous prime is 212101213097. The next prime is 212101213147. The reversal of 212101213141 is 141312101212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210386425041 + 1714788100 = 458679^2 + 41410^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101213141 - 27 = 212101213013 is a prime.

It is a super-2 number, since 2×2121012131412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212101213147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050606570 + 106050606571.

It is an arithmetic number, because the mean of its divisors is an integer number (106050606571).

Almost surely, 2212101213141 is an apocalyptic number.

It is an amenable number.

212101213141 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101213141 is an equidigital number, since it uses as much as digits as its factorization.

212101213141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212101213141 its reverse (141312101212), we get a palindrome (353413314353).

The spelling of 212101213141 in words is "two hundred twelve billion, one hundred one million, two hundred thirteen thousand, one hundred forty-one".