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10001122011 = 321111235779
BaseRepresentation
bin10010101000001110…
…10000001011011011
3221210222212122020100
421110013100023123
5130440241401021
64332222430443
7502560064056
oct112407201333
927728778210
1010001122011
114272410aa1
121b31432423
13c34cc109a
146ac375a9d
153d8030626
hex2541d02db

10001122011 has 6 divisors (see below), whose sum is σ = 14446065140. Its totient is φ = 6667414668.

The previous prime is 10001122007. The next prime is 10001122013. The reversal of 10001122011 is 11022110001.

It is a happy number.

It is not a de Polignac number, because 10001122011 - 22 = 10001122007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1111235779 = 10001122011 / (1 + 0 + 0 + 0 + 1 + 1 + 2 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001121984 and 10001122002.

It is not an unprimeable number, because it can be changed into a prime (10001122013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555617881 + ... + 555617898.

Almost surely, 210001122011 is an apocalyptic number.

10001122011 is a deficient number, since it is larger than the sum of its proper divisors (4444943129).

10001122011 is a wasteful number, since it uses less digits than its factorization.

10001122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111235785 (or 1111235782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10001122011 its reverse (11022110001), we get a palindrome (21023232012).

The spelling of 10001122011 in words is "ten billion, one million, one hundred twenty-two thousand, eleven".

Divisors: 1 3 9 1111235779 3333707337 10001122011