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10241022221 is a prime number
BaseRepresentation
bin10011000100110100…
…11001100100001101
3222102201021211110022
421202122121210031
5131433200202341
64412112351525
7511532152433
oct114232314415
928381254408
1010241022221
114385876631
121b998455a5
13c72908681
146d2182d53
153ee11be4b
hex26269990d

10241022221 has 2 divisors, whose sum is σ = 10241022222. Its totient is φ = 10241022220.

The previous prime is 10241022217. The next prime is 10241022263. The reversal of 10241022221 is 12222014201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5567248996 + 4673773225 = 74614^2 + 68365^2 .

It is a cyclic number.

It is not a de Polignac number, because 10241022221 - 22 = 10241022217 is a prime.

It is a super-2 number, since 2×102410222212 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10241022221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10241022821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5120511110 + 5120511111.

It is an arithmetic number, because the mean of its divisors is an integer number (5120511111).

Almost surely, 210241022221 is an apocalyptic number.

It is an amenable number.

10241022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10241022221 is an equidigital number, since it uses as much as digits as its factorization.

10241022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10241022221 its reverse (12222014201), we get a palindrome (22463036422).

The spelling of 10241022221 in words is "ten billion, two hundred forty-one million, twenty-two thousand, two hundred twenty-one".