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11112011011 = 101110019911
BaseRepresentation
bin10100101100101001…
…11101010100000011
31001200102012122110101
422112110331110003
5140224133323021
65034344543231
7542236351363
oct122624752403
931612178411
1011112011011
114792493382
1221a1481b17
1310811b515a
14775b0a9a3
15450817a91
hex29653d503

11112011011 has 4 divisors (see below), whose sum is σ = 11222031024. Its totient is φ = 11001991000.

The previous prime is 11112010991. The next prime is 11112011041. The reversal of 11112011011 is 11011021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11011021111 = 101109020011.

It is a cyclic number.

It is not a de Polignac number, because 11112011011 - 217 = 11111879939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112011041) 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, 55009855 + ... + 55010056.

It is an arithmetic number, because the mean of its divisors is an integer number (2805507756).

Almost surely, 211112011011 is an apocalyptic number.

11112011011 is a deficient number, since it is larger than the sum of its proper divisors (110020013).

11112011011 is a wasteful number, since it uses less digits than its factorization.

11112011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110020012.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11112011011 its reverse (11011021111), we get a palindrome (22123032122).

The spelling of 11112011011 in words is "eleven billion, one hundred twelve million, eleven thousand, eleven".

Divisors: 1 101 110019911 11112011011