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11220012000121 = 18677283825161
BaseRepresentation
bin1010001101000101110011…
…0101000110001101111001
31110201121210221001022010111
42203101130311012031321
52432312041033000441
635510222524144321
72235422233264111
oct243213465061571
943647727038114
1011220012000121
1136364202a5a91
12131261b3980a1
1363507275cc02
142ab0a1384041
15146cd196a081
hexa345cd46379

11220012000121 has 8 divisors (see below), whose sum is σ = 11227576654944. Its totient is φ = 11212449013920.

The previous prime is 11220012000083. The next prime is 11220012000143. The reversal of 11220012000121 is 12100021002211.

11220012000121 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 11220012000121 - 223 = 11220003611513 is a prime.

It is a super-3 number, since 3×112200120001213 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220012000191) 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, 13184781 + ... + 14009941.

It is an arithmetic number, because the mean of its divisors is an integer number (1403447081868).

Almost surely, 211220012000121 is an apocalyptic number.

It is an amenable number.

11220012000121 is a deficient number, since it is larger than the sum of its proper divisors (7564654823).

11220012000121 is an equidigital number, since it uses as much as digits as its factorization.

11220012000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834311.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220012000121 its reverse (12100021002211), we get a palindrome (23320033002332).

The spelling of 11220012000121 in words is "eleven trillion, two hundred twenty billion, twelve million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 1867 7283 825161 13597361 1540575587 6009647563 11220012000121