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10221212101201 is a prime number
BaseRepresentation
bin1001010010111100111110…
…1101110110101001010001
31100012010201211211022211121
42110233033231312221101
52314431020244214301
633423320544042241
72103313110234043
oct224571755665121
940163654738747
1010221212101201
113290878845872
121190b33303381
13591b18cc286a
142749d0495a93
1512ad2575e3a1
hex94bcfb76a51

10221212101201 has 2 divisors, whose sum is σ = 10221212101202. Its totient is φ = 10221212101200.

The previous prime is 10221212101147. The next prime is 10221212101277. The reversal of 10221212101201 is 10210121212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9829955596176 + 391256505025 = 3135276^2 + 625505^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221212101201 - 233 = 10212622166609 is a prime.

It is a super-2 number, since 2×102212121012012 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10221212102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110606050600 + 5110606050601.

It is an arithmetic number, because the mean of its divisors is an integer number (5110606050601).

Almost surely, 210221212101201 is an apocalyptic number.

It is an amenable number.

10221212101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221212101201 is an equidigital number, since it uses as much as digits as its factorization.

10221212101201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221212101201 its reverse (10210121212201), we get a palindrome (20431333313402).

The spelling of 10221212101201 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one hundred one thousand, two hundred one".