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112011101212121 = 1861436313795247
BaseRepresentation
bin11001011101111110011101…
…111001100000110111011001
3112200121011020020021122020122
4121131332131321200313121
5104140142213402241441
61034121104534203025
732410351336001546
oct3135763571406731
9480534206248218
10112011101212121
1132765706568a51
12106906031b3475
134a667a87095a7
141d9351acc9bcd
15ce39ec0c334b
hex65df9de60dd9

112011101212121 has 8 divisors (see below), whose sum is σ = 112096984750464. Its totient is φ = 111925245276720.

The previous prime is 112011101212099. The next prime is 112011101212207. The reversal of 112011101212121 is 121212101110211.

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 112011101212121 - 226 = 112011034103257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112011101212121.

It is not an unprimeable number, because it can be changed into a prime (112011101217121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221920 + ... + 15017166.

It is an arithmetic number, because the mean of its divisors is an integer number (14012123093808).

Almost surely, 2112011101212121 is an apocalyptic number.

It is an amenable number.

112011101212121 is a deficient number, since it is larger than the sum of its proper divisors (85883538343).

112011101212121 is a wasteful number, since it uses less digits than its factorization.

112011101212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801471.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112011101212121 its reverse (121212101110211), we get a palindrome (233223202322332).

The spelling of 112011101212121 in words is "one hundred twelve trillion, eleven billion, one hundred one million, two hundred twelve thousand, one hundred twenty-one".

Divisors: 1 1861 4363 8119543 13795247 25672954667 60188662661 112011101212121