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12221120102001 = 373301871848617
BaseRepresentation
bin1011000111010111001110…
…0001011011111001110001
31121021022211212120010121220
42301311303201123321301
53100212323221231001
641554145521135253
72400642514611636
oct261656341337161
947238755503556
1012221120102001
113991a4776a258
12145465048a529
136a85a6485025
14303710a3818d
15162d75617c36
hexb1d7385be71

12221120102001 has 16 divisors (see below), whose sum is σ = 16518599734464. Its totient is φ = 8035534450944.

The previous prime is 12221120101969. The next prime is 12221120102021. The reversal of 12221120102001 is 10020102112221.

It is not a de Polignac number, because 12221120102001 - 25 = 12221120101969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221120102021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5686645 + ... + 7535261.

It is an arithmetic number, because the mean of its divisors is an integer number (1032412483404).

Almost surely, 212221120102001 is an apocalyptic number.

It is an amenable number.

12221120102001 is a deficient number, since it is larger than the sum of its proper divisors (4297479632463).

12221120102001 is a wasteful number, since it uses less digits than its factorization.

12221120102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878880.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221120102001 its reverse (10020102112221), we get a palindrome (22241222214222).

The spelling of 12221120102001 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, one hundred two thousand, one".

Divisors: 1 3 73 219 30187 90561 1848617 2203651 5545851 6610953 134949041 404847123 55804201379 167412604137 4073706700667 12221120102001