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2222201212031 is a prime number
BaseRepresentation
bin100000010101100101100…
…000111000110001111111
321212102220000121221221202
4200111211200320301333
5242402032002241111
64420510512050115
7316356134433533
oct40254540706177
97772800557852
102222201212031
117874807191a9
122ba81683393b
131317252c53a8
14797ab32bbc3
153cc10578b3b
hex20565838c7f

2222201212031 has 2 divisors, whose sum is σ = 2222201212032. Its totient is φ = 2222201212030.

The previous prime is 2222201211943. The next prime is 2222201212037. The reversal of 2222201212031 is 1302121022222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2222201212031 - 210 = 2222201211007 is a prime.

It is a super-2 number, since 2×22222012120312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222201211994 and 2222201212012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222201212037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111100606015 + 1111100606016.

It is an arithmetic number, because the mean of its divisors is an integer number (1111100606016).

Almost surely, 22222201212031 is an apocalyptic number.

2222201212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222201212031 is an equidigital number, since it uses as much as digits as its factorization.

2222201212031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2222201212031 its reverse (1302121022222), we get a palindrome (3524322234253).

The spelling of 2222201212031 in words is "two trillion, two hundred twenty-two billion, two hundred one million, two hundred twelve thousand, thirty-one".