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201120202201 = 1371468030673
BaseRepresentation
bin1011101101001110110…
…0101011110111011001
3201020010102010212000211
42323103230223313121
511243343232432301
6232220543531121
720346642340432
oct2732354536731
9636112125024
10201120202201
1178327124746
1232b8a8b9aa1
1315c72424309
149a3cb9c489
15537199b051
hex2ed3b2bdd9

201120202201 has 4 divisors (see below), whose sum is σ = 202588233012. Its totient is φ = 199652171392.

The previous prime is 201120202163. The next prime is 201120202207. The reversal of 201120202201 is 102202021102.

It is a happy number.

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 169477128976 + 31643073225 = 411676^2 + 177885^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120202201 - 215 = 201120169433 is a prime.

It is a super-2 number, since 2×2011202022012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120202207) 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, 734015200 + ... + 734015473.

It is an arithmetic number, because the mean of its divisors is an integer number (50647058253).

Almost surely, 2201120202201 is an apocalyptic number.

It is an amenable number.

201120202201 is a deficient number, since it is larger than the sum of its proper divisors (1468030811).

201120202201 is a wasteful number, since it uses less digits than its factorization.

201120202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468030810.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201120202201 its reverse (102202021102), we get a palindrome (303322223303).

The spelling of 201120202201 in words is "two hundred one billion, one hundred twenty million, two hundred two thousand, two hundred one".

Divisors: 1 137 1468030673 201120202201