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10211011211 = 43237465377
BaseRepresentation
bin10011000001001111…
…11010101010001011
3222100121211010002102
421200213322222023
5131403004324321
64405121224015
7511016106662
oct114047725213
928317733072
1010211011211
11436a938945
121b8b79200b
13c6962b68b
146cc1addd9
153eb68ec0b
hex2609faa8b

10211011211 has 4 divisors (see below), whose sum is σ = 10448476632. Its totient is φ = 9973545792.

The previous prime is 10211011183. The next prime is 10211011219. The reversal of 10211011211 is 11211011201.

Adding to 10211011211 its reverse (11211011201), we get a palindrome (21422022412).

10211011211 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-10211011211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211011192 and 10211011201.

It is not an unprimeable number, because it can be changed into a prime (10211011219) 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, 118732646 + ... + 118732731.

It is an arithmetic number, because the mean of its divisors is an integer number (2612119158).

Almost surely, 210211011211 is an apocalyptic number.

10211011211 is a deficient number, since it is larger than the sum of its proper divisors (237465421).

10211011211 is an equidigital number, since it uses as much as digits as its factorization.

10211011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237465420.

The product of its (nonzero) digits is 4, while the sum is 11.

The spelling of 10211011211 in words is "ten billion, two hundred eleven million, eleven thousand, two hundred eleven".

Divisors: 1 43 237465377 10211011211