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12110011020021 = 31713915710880777
BaseRepresentation
bin1011000000111001010011…
…1001111011001011110101
31120212201001111012221210110
42300032110321323023311
53041402300310120041
641431132352013233
72356630235161215
oct260162471731365
946781044187713
1012110011020021
113949910571472
121437002231219
1369ac7a2776c5
142dc1b0430245
15160020e93516
hexb0394e7b2f5

12110011020021 has 32 divisors (see below), whose sum is σ = 17329162273920. Its totient is φ = 7495723063296.

The previous prime is 12110011019923. The next prime is 12110011020031. The reversal of 12110011020021 is 12002011001121.

It is not a de Polignac number, because 12110011020021 - 210 = 12110011018997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110011019979 and 12110011020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110011020031) 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, 4327416 + ... + 6553361.

It is an arithmetic number, because the mean of its divisors is an integer number (541536321060).

Almost surely, 212110011020021 is an apocalyptic number.

It is an amenable number.

12110011020021 is a deficient number, since it is larger than the sum of its proper divisors (5219151253899).

12110011020021 is a wasteful number, since it uses less digits than its factorization.

12110011020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881093.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12110011020021 its reverse (12002011001121), we get a palindrome (24112022021142).

The spelling of 12110011020021 in words is "twelve trillion, one hundred ten billion, eleven million, twenty thousand, twenty-one".

Divisors: 1 3 17 51 139 157 417 471 2363 2669 7089 8007 21823 65469 370991 1112973 10880777 32642331 184973209 554919627 1512428003 1708281989 4537284009 5124845967 25711276051 29040793813 77133828153 87122381439 237451196471 712353589413 4036670340007 12110011020021