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10010121211 = 101251394861
BaseRepresentation
bin10010101001010011…
…00101001111111011
3221211121210211211001
421110221211033323
5131000042334321
64333143345431
7503026424566
oct112451451773
927747724731
1010010121211
1142774a8252
121b34452277
13c36b2225c
146ad6394dd
153d8c0bc91
hex254a653fb

10010121211 has 8 divisors (see below), whose sum is σ = 10149532848. Its totient is φ = 9871500000.

The previous prime is 10010121193. The next prime is 10010121217. The reversal of 10010121211 is 11212101001.

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 10010121211 - 25 = 10010121179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10010121217) 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, 172080 + ... + 222781.

It is an arithmetic number, because the mean of its divisors is an integer number (1268691606).

Almost surely, 210010121211 is an apocalyptic number.

10010121211 is a deficient number, since it is larger than the sum of its proper divisors (139411637).

10010121211 is a wasteful number, since it uses less digits than its factorization.

10010121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395213.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10010121211 its reverse (11212101001), we get a palindrome (21222222212).

The spelling of 10010121211 in words is "ten billion, ten million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 101 251 25351 394861 39880961 99110111 10010121211