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112021212011 = 1011109120911
BaseRepresentation
bin110100001010011111…
…1000000101101101011
3101201010221200012000012
41220110333000231223
53313404412241021
6123243431202135
711043663406562
oct1502477005553
9351127605005
10112021212011
1143565065665
121986381634b
13a743190247
1455c9800bd9
152da979a35b
hex1a14fc0b6b

112021212011 has 4 divisors (see below), whose sum is σ = 113130333024. Its totient is φ = 110912091000.

The previous prime is 112021212007. The next prime is 112021212041. The reversal of 112021212011 is 110212120211.

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 112021212011 - 22 = 112021212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021212001) 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, 554560355 + ... + 554560556.

It is an arithmetic number, because the mean of its divisors is an integer number (28282583256).

Almost surely, 2112021212011 is an apocalyptic number.

112021212011 is a deficient number, since it is larger than the sum of its proper divisors (1109121013).

112021212011 is a wasteful number, since it uses less digits than its factorization.

112021212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109121012.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112021212011 its reverse (110212120211), we get a palindrome (222233332222).

The spelling of 112021212011 in words is "one hundred twelve billion, twenty-one million, two hundred twelve thousand, eleven".

Divisors: 1 101 1109120911 112021212011