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11022221201 = 172391727109
BaseRepresentation
bin10100100001111100…
…11011111110010001
31001110011020211222212
422100332123332101
5140033142034301
65021420241505
7540066222455
oct122076337621
931404224885
1011022221201
114746835a22
1221773a0295
131068707aa4
14767c16665
154479cd4bb
hex290f9bf91

11022221201 has 8 divisors (see below), whose sum is σ = 11671505640. Its totient is φ = 10373038848.

The previous prime is 11022221149. The next prime is 11022221257. The reversal of 11022221201 is 10212222011.

It can be written as a sum of positive squares in 4 ways, for example, as 2498500225 + 8523720976 = 49985^2 + 92324^2 .

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 11022221201 - 26 = 11022221137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022221281) 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, 393035 + ... + 420143.

It is an arithmetic number, because the mean of its divisors is an integer number (1458938205).

Almost surely, 211022221201 is an apocalyptic number.

It is an amenable number.

11022221201 is a deficient number, since it is larger than the sum of its proper divisors (649284439).

11022221201 is a wasteful number, since it uses less digits than its factorization.

11022221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51043.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11022221201 its reverse (10212222011), we get a palindrome (21234443212).

The spelling of 11022221201 in words is "eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 17 23917 27109 406589 460853 648365953 11022221201