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1101421211 = 11175889953
BaseRepresentation
bin100000110100110…
…0101101010011011
32211202111222212012
41001221211222123
54223430434321
6301143140135
736202632362
oct10151455233
92752458765
101101421211
115157a6070
12268a4464b
1314725a837
14a63cc7d9
1566a6705b
hex41a65a9b

1101421211 has 8 divisors (see below), whose sum is σ = 1272230064. Its totient is φ = 942392320.

The previous prime is 1101421199. The next prime is 1101421219. The reversal of 1101421211 is 1121241011.

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 1101421211 - 26 = 1101421147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101421219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944790 + ... + 2945163.

It is an arithmetic number, because the mean of its divisors is an integer number (159028758).

Almost surely, 21101421211 is an apocalyptic number.

1101421211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101421211 is a deficient number, since it is larger than the sum of its proper divisors (170808853).

1101421211 is a wasteful number, since it uses less digits than its factorization.

1101421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889981.

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

The square root of 1101421211 is about 33187.6665494879. Note that the first 3 decimals coincide. The cubic root of 1101421211 is about 1032.7244962071.

Adding to 1101421211 its reverse (1121241011), we get a palindrome (2222662222).

The spelling of 1101421211 in words is "one billion, one hundred one million, four hundred twenty-one thousand, two hundred eleven".

Divisors: 1 11 17 187 5889953 64789483 100129201 1101421211