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201220010011 = 4913347122443
BaseRepresentation
bin1011101101100110100…
…1011011000000011011
3201020101100221121121101
42323121221123000123
511244044310310021
6232234511052231
720352263602336
oct2733151330033
9636340847541
10201220010011
11783784a4839
1232bb8211077
1315c89ccb4a7
149a4c13d61d
15537a613a91
hex2ed9a5b01b

201220010011 has 8 divisors (see below), whose sum is σ = 201691715904. Its totient is φ = 200748556680.

The previous prime is 201220009993. The next prime is 201220010053. The reversal of 201220010011 is 110010022102.

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 201220010011 - 237 = 63781056539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201220010011.

It is not an unprimeable number, because it can be changed into a prime (201220010081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582156 + ... + 1704598.

It is an arithmetic number, because the mean of its divisors is an integer number (25211464488).

Almost surely, 2201220010011 is an apocalyptic number.

201220010011 is a deficient number, since it is larger than the sum of its proper divisors (471705893).

201220010011 is a wasteful number, since it uses less digits than its factorization.

201220010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126281.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201220010011 its reverse (110010022102), we get a palindrome (311230032113).

The spelling of 201220010011 in words is "two hundred one billion, two hundred twenty million, ten thousand, eleven".

Divisors: 1 491 3347 122443 1643377 60119513 409816721 201220010011