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202230121001 = 1921733238117
BaseRepresentation
bin1011110001010111011…
…0101100001000101001
3201022222202122120101112
42330111312230020221
511303131402333001
6232523033200105
720416310444336
oct2742566541051
9638882576345
10202230121001
11788466a4107
123323a560035
13160bb3688bc
149b0635d98d
1553d9140cbb
hex2f15dac229

202230121001 has 12 divisors (see below), whose sum is σ = 214667794692. Its totient is φ = 190478935584.

The previous prime is 202230120979. The next prime is 202230121013. The reversal of 202230121001 is 100121032202.

It is a happy number.

202230121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 168116400400 + 34113720601 = 410020^2 + 184699^2 .

It is not a de Polignac number, because 202230121001 - 226 = 202163012137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202230121061) 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 in 11 ways as a sum of consecutive naturals, for example, 1556606 + ... + 1681511.

It is an arithmetic number, because the mean of its divisors is an integer number (17888982891).

Almost surely, 2202230121001 is an apocalyptic number.

It is an amenable number.

202230121001 is a deficient number, since it is larger than the sum of its proper divisors (12437673691).

202230121001 is a wasteful number, since it uses less digits than its factorization.

202230121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238328 (or 3238309 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 202230121001 its reverse (100121032202), we get a palindrome (302351153203).

The spelling of 202230121001 in words is "two hundred two billion, two hundred thirty million, one hundred twenty-one thousand, one".

Divisors: 1 19 173 361 3287 62453 3238117 61524223 560194241 1168960237 10643690579 202230121001