Search a number
-
+
2121100010201 = 71264491129519
BaseRepresentation
bin11110110111011011011…
…010011010001011011001
321111202221002212202210002
4132313123122122023121
5234223003100311301
64302230410302345
7306146556415214
oct36673332321331
97452832782702
102121100010201
1174860a727947
122a31001279b5
13125032603c43
1474939d3877b
153a29481c16b
hex1eddb69a2d9

2121100010201 has 8 divisors (see below), whose sum is σ = 2151057888000. Its totient is φ = 2091144444480.

The previous prime is 2121100010153. The next prime is 2121100010203. The reversal of 2121100010201 is 1020100011212.

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 2121100010201 - 222 = 2121095815897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121100010203) 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, 1313120 + ... + 2442638.

It is an arithmetic number, because the mean of its divisors is an integer number (268882236000).

Almost surely, 22121100010201 is an apocalyptic number.

It is an amenable number.

2121100010201 is a deficient number, since it is larger than the sum of its proper divisors (29957877799).

2121100010201 is a wasteful number, since it uses less digits than its factorization.

2121100010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156039.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2121100010201 its reverse (1020100011212), we get a palindrome (3141200021413).

The spelling of 2121100010201 in words is "two trillion, one hundred twenty-one billion, one hundred million, ten thousand, two hundred one".

Divisors: 1 71 26449 1129519 1877879 80195849 29874648031 2121100010201