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112111021010021 = 11192379729262799
BaseRepresentation
bin11001011111011011100001…
…100101010010110001100101
3112200221201010211000021220012
4121133123201211102301211
5104143311332334310041
61034235031514220005
732420516420162645
oct3137334145226145
9480851124007805
10112111021010021
11327a40206a5020
12106a7a4a124605
134a73040717967
141d982b9430525
15ce63e92693eb
hex65f6e1952c65

112111021010021 has 32 divisors (see below), whose sum is σ = 134505874944000. Its totient is φ = 92241021343680.

The previous prime is 112111021010011. The next prime is 112111021010057. The reversal of 112111021010021 is 120010120111211.

It is not a de Polignac number, because 112111021010021 - 218 = 112111020747877 is a prime.

It is a super-3 number, since 3×1121110210100213 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112111021009978 and 112111021010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111021010011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10800221 + ... + 18462578.

It is an arithmetic number, because the mean of its divisors is an integer number (4203308592000).

Almost surely, 2112111021010021 is an apocalyptic number.

112111021010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112111021010021 is a deficient number, since it is larger than the sum of its proper divisors (22394853933979).

112111021010021 is a wasteful number, since it uses less digits than its factorization.

112111021010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29263649.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112111021010021 its reverse (120010120111211), we get a palindrome (232121141121232).

The spelling of 112111021010021 in words is "one hundred twelve trillion, one hundred eleven billion, twenty-one million, ten thousand, twenty-one".

Divisors: 1 11 19 23 209 253 437 797 4807 8767 15143 18331 166573 201641 348289 3831179 29262799 321890789 555993181 673044377 6115924991 7403488147 12787843163 23322450803 140666274793 256546958833 443126565257 536416368469 4874392217827 5900580053159 10191911000911 112111021010021