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10212220211231 is a prime number
BaseRepresentation
bin1001010010011011011111…
…0000100001000000011111
31100011021112011222222200202
42110212313300201000133
52314304111333224411
633415232412414115
72102544223361303
oct224466760410037
940137464888622
1010212220211231
113287a84093845
12118b243a7733b
13591015121acc
142743ba191d03
1512a99b13583b
hex949b7c2101f

10212220211231 has 2 divisors, whose sum is σ = 10212220211232. Its totient is φ = 10212220211230.

The previous prime is 10212220211189. The next prime is 10212220211273. The reversal of 10212220211231 is 13211202221201.

It is a balanced prime because it is at equal distance from previous prime (10212220211189) and next prime (10212220211273).

It is a cyclic number.

It is not a de Polignac number, because 10212220211231 - 210 = 10212220210207 is a prime.

It is a super-2 number, since 2×102122202112312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212220811231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106110105615 + 5106110105616.

It is an arithmetic number, because the mean of its divisors is an integer number (5106110105616).

Almost surely, 210212220211231 is an apocalyptic number.

10212220211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212220211231 is an equidigital number, since it uses as much as digits as its factorization.

10212220211231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10212220211231 its reverse (13211202221201), we get a palindrome (23423422432432).

The spelling of 10212220211231 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred thirty-one".