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11222211103 = 47238770449
BaseRepresentation
bin10100111001110010…
…10101101000011111
31001222002120101120021
422130321111220133
5140440341223403
65053322533011
7545045135425
oct123471255037
931862511507
1011222211103
114839711334
122212367167
13109ac8a5cc
147865d5115
1545a3348bd
hex29ce55a1f

11222211103 has 4 divisors (see below), whose sum is σ = 11460981600. Its totient is φ = 10983440608.

The previous prime is 11222211089. The next prime is 11222211107. The reversal of 11222211103 is 30111222211.

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

It is a cyclic number.

It is not a de Polignac number, because 11222211103 - 225 = 11188656671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222211107) 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 3 ways as a sum of consecutive naturals, for example, 119385178 + ... + 119385271.

It is an arithmetic number, because the mean of its divisors is an integer number (2865245400).

Almost surely, 211222211103 is an apocalyptic number.

11222211103 is a deficient number, since it is larger than the sum of its proper divisors (238770497).

11222211103 is an equidigital number, since it uses as much as digits as its factorization.

11222211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238770496.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11222211103 its reverse (30111222211), we get a palindrome (41333433314).

The spelling of 11222211103 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred three".

Divisors: 1 47 238770449 11222211103