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2122102201213 = 2535783689009
BaseRepresentation
bin11110111000010111001…
…001011101101101111101
321111212111221200100101201
4132320113021131231331
5234232031130414323
64302514050535501
7306213446043001
oct36702711355575
97455457610351
102122102201213
11748a84407885
122a333b897591
1312516212a487
14749d3096701
153a3027d28ad
hex1ee1725db7d

2122102201213 has 4 divisors (see below), whose sum is σ = 2122185915580. Its totient is φ = 2122018486848.

The previous prime is 2122102201207. The next prime is 2122102201237. The reversal of 2122102201213 is 3121022012212.

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 588598908804 + 1533503292409 = 767202^2 + 1238347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122102201213 - 225 = 2122068646781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122102201253) 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, 41819148 + ... + 41869861.

It is an arithmetic number, because the mean of its divisors is an integer number (530546478895).

Almost surely, 22122102201213 is an apocalyptic number.

It is an amenable number.

2122102201213 is a deficient number, since it is larger than the sum of its proper divisors (83714367).

2122102201213 is an equidigital number, since it uses as much as digits as its factorization.

2122102201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83714366.

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

Adding to 2122102201213 its reverse (3121022012212), we get a palindrome (5243124213425).

The spelling of 2122102201213 in words is "two trillion, one hundred twenty-two billion, one hundred two million, two hundred one thousand, two hundred thirteen".

Divisors: 1 25357 83689009 2122102201213