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1010220110221 = 7316949669937
BaseRepresentation
bin11101011001101011100…
…11111001000110001101
310120120112222100211001211
432230311303321012031
5113022412322011341
62052031054534421
7132662124153520
oct16546563710615
93516488324054
101010220110221
1135a482a08a83
12143954807411
137435676193a
1436c75904bb7
151b428b02181
hexeb35cf918d

1010220110221 has 16 divisors (see below), whose sum is σ = 1191953689600. Its totient is φ = 837848759040.

The previous prime is 1010220110189. The next prime is 1010220110227. The reversal of 1010220110221 is 1220110220101.

It is a cyclic number.

It is not a de Polignac number, because 1010220110221 - 25 = 1010220110189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010220110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172965 + ... + 1842901.

It is an arithmetic number, because the mean of its divisors is an integer number (74497105600).

Almost surely, 21010220110221 is an apocalyptic number.

It is an amenable number.

1010220110221 is a deficient number, since it is larger than the sum of its proper divisors (181733579379).

1010220110221 is an equidigital number, since it uses as much as digits as its factorization.

1010220110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676924.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010220110221 its reverse (1220110220101), we get a palindrome (2230330330322).

The spelling of 1010220110221 in words is "one trillion, ten billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 31 217 6949 48643 215419 669937 1507933 4689559 20768047 145376329 4655392213 32587745491 144317158603 1010220110221