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10012222201 = 51891929509
BaseRepresentation
bin10010101001100011…
…00110001011111001
3221211202202120211111
421110301212023321
5131001112102301
64333300400321
7503053325122
oct112461461371
927752676744
1010012222201
114278702803
121b350a60a1
13c373a9647
146ada25049
153d8ec4551
hex254c662f9

10012222201 has 4 divisors (see below), whose sum is σ = 10014156900. Its totient is φ = 10010287504.

The previous prime is 10012222193. The next prime is 10012222219. The reversal of 10012222201 is 10222221001.

It is a happy number.

10012222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8739445225 + 1272776976 = 93485^2 + 35676^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012222201 - 23 = 10012222193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012222271) 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, 959566 + ... + 969943.

It is an arithmetic number, because the mean of its divisors is an integer number (2503539225).

Almost surely, 210012222201 is an apocalyptic number.

It is an amenable number.

10012222201 is a deficient number, since it is larger than the sum of its proper divisors (1934699).

10012222201 is an equidigital number, since it uses as much as digits as its factorization.

10012222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934698.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10012222201 its reverse (10222221001), we get a palindrome (20234443202).

The spelling of 10012222201 in words is "ten billion, twelve million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 5189 1929509 10012222201