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1221014031301 is a prime number
BaseRepresentation
bin10001110001001010000…
…110111000101111000101
311022201122120022111200001
4101301022012320233011
5130001114043000201
62332532012121301
7154133603010301
oct21611206705705
94281576274601
101221014031301
11430913652909
12178783166231
138b1ab0a325c
1443151370d01
1521b649aa301
hex11c4a1b8bc5

1221014031301 has 2 divisors, whose sum is σ = 1221014031302. Its totient is φ = 1221014031300.

The previous prime is 1221014031221. The next prime is 1221014031319. The reversal of 1221014031301 is 1031304101221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 704929839201 + 516084192100 = 839601^2 + 718390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1221014031301 - 27 = 1221014031173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1221014031371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610507015650 + 610507015651.

It is an arithmetic number, because the mean of its divisors is an integer number (610507015651).

Almost surely, 21221014031301 is an apocalyptic number.

It is an amenable number.

1221014031301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1221014031301 is an equidigital number, since it uses as much as digits as its factorization.

1221014031301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1221014031301 its reverse (1031304101221), we get a palindrome (2252318132522).

The spelling of 1221014031301 in words is "one trillion, two hundred twenty-one billion, fourteen million, thirty-one thousand, three hundred one".