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10121002211 = 61916350569
BaseRepresentation
bin10010110110100001…
…00011110011100011
3222010100110011221202
421123100203303203
5131211434032321
64352144111415
7505544046035
oct113320436343
928110404852
1010121002211
114324050841
121b6560556b
13c53aa5608
146c025dc55
153e381070b
hex25b423ce3

10121002211 has 4 divisors (see below), whose sum is σ = 10137353400. Its totient is φ = 10104651024.

The previous prime is 10121002201. The next prime is 10121002247. The reversal of 10121002211 is 11220012101.

10121002211 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10121002211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121002192 and 10121002201.

It is not an unprimeable number, because it can be changed into a prime (10121002201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8174666 + ... + 8175903.

It is an arithmetic number, because the mean of its divisors is an integer number (2534338350).

Almost surely, 210121002211 is an apocalyptic number.

10121002211 is a deficient number, since it is larger than the sum of its proper divisors (16351189).

10121002211 is an equidigital number, since it uses as much as digits as its factorization.

10121002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351188.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121002211 its reverse (11220012101), we get a palindrome (21341014312).

The spelling of 10121002211 in words is "ten billion, one hundred twenty-one million, two thousand, two hundred eleven".

Divisors: 1 619 16350569 10121002211