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2110221201 = 31163946097
BaseRepresentation
bin111110111000111…
…0110101110010001
312110001202100021210
41331301312232101
513310204034301
6545221210333
7103202404254
oct17561665621
95401670253
102110221201
1199318a470
124aa8609a9
132782592ca
1416038b09b
15c53d5ad6
hex7dc76b91

2110221201 has 8 divisors (see below), whose sum is σ = 3069412704. Its totient is φ = 1278921920.

The previous prime is 2110221193. The next prime is 2110221209. The reversal of 2110221201 is 1021220112.

It is an interprime number because it is at equal distance from previous prime (2110221193) and next prime (2110221209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2110221201 - 23 = 2110221193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2110221209) 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 7 ways as a sum of consecutive naturals, for example, 31973016 + ... + 31973081.

It is an arithmetic number, because the mean of its divisors is an integer number (383676588).

Almost surely, 22110221201 is an apocalyptic number.

It is an amenable number.

2110221201 is a deficient number, since it is larger than the sum of its proper divisors (959191503).

2110221201 is a wasteful number, since it uses less digits than its factorization.

2110221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63946111.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2110221201 is about 45937.1440231105. The cubic root of 2110221201 is about 1282.6534314040.

Adding to 2110221201 its reverse (1021220112), we get a palindrome (3131441313).

The spelling of 2110221201 in words is "two billion, one hundred ten million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 3 11 33 63946097 191838291 703407067 2110221201