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13211220011 = 111963211579
BaseRepresentation
bin11000100110111001…
…10011100000101011
31021002201020111211212
430103130303200223
5204024033020021
610022534143335
7645246342263
oct142334634053
937081214755
1013211220011
11566a431150
1226884b1b4b
131327086c62
148d482c7a3
15524c7585b
hex31373382b

13211220011 has 8 divisors (see below), whose sum is σ = 15170779200. Its totient is φ = 11378084040.

The previous prime is 13211219933. The next prime is 13211220023. The reversal of 13211220011 is 11002211231.

13211220011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13211220011 - 210 = 13211218987 is a prime.

It is a super-3 number, since 3×132112200113 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211220091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31605581 + ... + 31605998.

It is an arithmetic number, because the mean of its divisors is an integer number (1896347400).

Almost surely, 213211220011 is an apocalyptic number.

13211220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13211220011 is a deficient number, since it is larger than the sum of its proper divisors (1959559189).

13211220011 is a wasteful number, since it uses less digits than its factorization.

13211220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63211609.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13211220011 its reverse (11002211231), we get a palindrome (24213431242).

The spelling of 13211220011 in words is "thirteen billion, two hundred eleven million, two hundred twenty thousand, eleven".

Divisors: 1 11 19 209 63211579 695327369 1201020001 13211220011