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201202021112201 = 1965411023715261
BaseRepresentation
bin101101101111110111111110…
…111111110001100110001001
3222101101201120210102022021022
4231233313332333301212021
5202332443214401042301
61551530533225322225
760244236435223124
oct5557677677614611
9871351523368238
10201202021112201
11591223306569aa
121a696371936375
138836366503665
1437983307413bb
15183dad640cd1b
hexb6fdfeff1989

201202021112201 has 4 divisors (see below), whose sum is σ = 201203045024004. Its totient is φ = 201200997200400.

The previous prime is 201202021112161. The next prime is 201202021112207. The reversal of 201202021112201 is 102211120202102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145281462332176 + 55920558780025 = 12053276^2 + 7478005^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202021112201 - 218 = 201202020850057 is a prime.

It is a super-3 number, since 3×2012020211122013 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201202021112201.

It is not an unprimeable number, because it can be changed into a prime (201202021112207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511661090 + ... + 512054171.

It is an arithmetic number, because the mean of its divisors is an integer number (50300761256001).

Almost surely, 2201202021112201 is an apocalyptic number.

It is an amenable number.

201202021112201 is a deficient number, since it is larger than the sum of its proper divisors (1023911803).

201202021112201 is a wasteful number, since it uses less digits than its factorization.

201202021112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023911802.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201202021112201 its reverse (102211120202102), we get a palindrome (303413141314303).

The spelling of 201202021112201 in words is "two hundred one trillion, two hundred two billion, twenty-one million, one hundred twelve thousand, two hundred one".

Divisors: 1 196541 1023715261 201202021112201