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2130224001121 = 8681245389241
BaseRepresentation
bin11110111111111011001…
…111101011000001100001
321112122110222021112100201
4132333323033223001201
5234400144321013441
64310340021145201
7306621636151636
oct36777317530141
97478428245321
102130224001121
11751471a06307
122a4a2785b201
13125b57977838
14751639c818d
153a62a83bc31
hex1effb3eb061

2130224001121 has 4 divisors (see below), whose sum is σ = 2130469399044. Its totient is φ = 2129978603200.

The previous prime is 2130224001089. The next prime is 2130224001133. The reversal of 2130224001121 is 1211004220312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1962910279521 + 167313721600 = 1401039^2 + 409040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130224001121 - 25 = 2130224001089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130224001181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122685940 + ... + 122703301.

It is an arithmetic number, because the mean of its divisors is an integer number (532617349761).

Almost surely, 22130224001121 is an apocalyptic number.

It is an amenable number.

2130224001121 is a deficient number, since it is larger than the sum of its proper divisors (245397923).

2130224001121 is an equidigital number, since it uses as much as digits as its factorization.

2130224001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245397922.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2130224001121 its reverse (1211004220312), we get a palindrome (3341228221433).

The spelling of 2130224001121 in words is "two trillion, one hundred thirty billion, two hundred twenty-four million, one thousand, one hundred twenty-one".

Divisors: 1 8681 245389241 2130224001121