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10222111221001 is a prime number
BaseRepresentation
bin1001010011000000010101…
…0011101110010100001001
31100012020001111200100022221
42110300011103232110021
52314434340433033001
633423550103214041
72103344305515421
oct224600523562411
940166044610287
1010222111221001
11329119a326889
121191144447321
13591c3036b704
14274a77a63481
1512ad796651a1
hex94c054ee509

10222111221001 has 2 divisors, whose sum is σ = 10222111221002. Its totient is φ = 10222111221000.

The previous prime is 10222111220947. The next prime is 10222111221013. The reversal of 10222111221001 is 10012211122201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9295943655625 + 926167565376 = 3048925^2 + 962376^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222111221001 - 217 = 10222111089929 is a prime.

It is not a weakly prime, because it can be changed into another prime (10222111221031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111055610500 + 5111055610501.

It is an arithmetic number, because the mean of its divisors is an integer number (5111055610501).

Almost surely, 210222111221001 is an apocalyptic number.

It is an amenable number.

10222111221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222111221001 is an equidigital number, since it uses as much as digits as its factorization.

10222111221001 is an evil number, because the sum of its binary digits is even.

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

Adding to 10222111221001 its reverse (10012211122201), we get a palindrome (20234322343202).

The spelling of 10222111221001 in words is "ten trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, one".