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10021212201 = 3711133790191
BaseRepresentation
bin10010101010100111…
…11001000000101001
3221212101200022210110
421111103321000221
5131010412242301
64334221204533
7503222620050
oct112523710051
927771608713
1010021212201
114282793060
121b38100749
13c39206580
146b0cc5397
153d9b9d0d6
hex2554f9029

10021212201 has 64 divisors (see below), whose sum is σ = 18425143296. Its totient is φ = 4675449600.

The previous prime is 10021212181. The next prime is 10021212211. The reversal of 10021212201 is 10221212001.

It is not a de Polignac number, because 10021212201 - 215 = 10021179433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021212211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66016 + ... + 156206.

It is an arithmetic number, because the mean of its divisors is an integer number (287892864).

Almost surely, 210021212201 is an apocalyptic number.

10021212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021212201 is a deficient number, since it is larger than the sum of its proper divisors (8403931095).

10021212201 is a wasteful number, since it uses less digits than its factorization.

10021212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90262.

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

Adding to 10021212201 its reverse (10221212001), we get a palindrome (20242424202).

It can be divided in two parts, 10021 and 212201, that added together give a palindrome (222222).

The spelling of 10021212201 in words is "ten billion, twenty-one million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 7 11 13 21 33 37 39 77 91 111 143 231 259 273 407 429 481 777 1001 1221 1443 2849 3003 3367 5291 8547 10101 15873 37037 90191 111111 270573 631337 992101 1172483 1894011 2976303 3337067 3517449 6944707 8207381 10011201 12897313 20834121 23359469 24622143 36707737 38691939 43381871 70078407 90281191 110123211 130145613 256954159 270843573 303673097 477200581 770862477 911019291 1431601743 3340404067 10021212201