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21234223110001 = 1112979148731329
BaseRepresentation
bin1001101001111111110100…
…10100110101011101110001
32210011222020111222201211211
410310333322110311131301
510240400142104010001
6113054511210440121
74321056562245556
oct464777224653561
983158214881754
1021234223110001
116847424409210
12246b402433041
13bb04bcb71395
14535a55a20a2d
1526c53e2e2351
hex134ffa535771

21234223110001 has 8 divisors (see below), whose sum is σ = 23166391960800. Its totient is φ = 19302351747840.

The previous prime is 21234223109993. The next prime is 21234223110047. The reversal of 21234223110001 is 10001132243212.

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 21234223110001 - 23 = 21234223109993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21234223110091) 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, 74222896 + ... + 74508433.

It is an arithmetic number, because the mean of its divisors is an integer number (2895798995100).

Almost surely, 221234223110001 is an apocalyptic number.

It is an amenable number.

21234223110001 is a deficient number, since it is larger than the sum of its proper divisors (1932168850799).

21234223110001 is a wasteful number, since it uses less digits than its factorization.

21234223110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148744319.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21234223110001 its reverse (10001132243212), we get a palindrome (31235355353213).

The spelling of 21234223110001 in words is "twenty-one trillion, two hundred thirty-four billion, two hundred twenty-three million, one hundred ten thousand, one".

Divisors: 1 11 12979 142769 148731329 1636044619 1930383919091 21234223110001