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11101212106 = 227720038289
BaseRepresentation
bin10100101011010111…
…10000110111001010
31001122122220000010221
422111223300313022
5140213402241411
65033321300254
7542045513605
oct122553606712
931578800127
1011101212106
114787387a66
12219993468a
13107bba3a7a
147744d933c
1544e8d3071
hex295af0dca

11101212106 has 8 divisors (see below), whose sum is σ = 16711933860. Its totient is φ = 5530567488.

The previous prime is 11101212103. The next prime is 11101212119. The reversal of 11101212106 is 60121210111.

It can be written as a sum of positive squares in 2 ways, for example, as 10919205025 + 182007081 = 104495^2 + 13491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11101212106.

It is not an unprimeable number, because it can be changed into a prime (11101212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018591 + ... + 10019698.

Almost surely, 211101212106 is an apocalyptic number.

11101212106 is a deficient number, since it is larger than the sum of its proper divisors (5610721754).

11101212106 is a wasteful number, since it uses less digits than its factorization.

11101212106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038568.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11101212106 its reverse (60121210111), we get a palindrome (71222422217).

The spelling of 11101212106 in words is "eleven billion, one hundred one million, two hundred twelve thousand, one hundred six".

Divisors: 1 2 277 554 20038289 40076578 5550606053 11101212106