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212110201111201 = 1012100101001101
BaseRepresentation
bin110000001110100111000001…
…001100001100001010100001
31000211000112111121112122102221
4300032213001030030022201
5210300203142441024301
62031042025311511041
762451312342323521
oct6016470114141241
91024015447478387
10212110201111201
116164848190a068
121b958465228481
139147ba1a31673
143a5428d3b7681
15197c716a80da1
hexc0e9c130c2a1

212110201111201 has 4 divisors (see below), whose sum is σ = 214210302112404. Its totient is φ = 210010100110000.

The previous prime is 212110201111169. The next prime is 212110201111229. The reversal of 212110201111201 is 102111102011212.

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 205074572180625 + 7035628930576 = 14320425^2 + 2652476^2 .

It is a cyclic number.

It is not a de Polignac number, because 212110201111201 - 25 = 212110201111169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212110201411201) 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, 1050050500450 + ... + 1050050500651.

It is an arithmetic number, because the mean of its divisors is an integer number (53552575528101).

Almost surely, 2212110201111201 is an apocalyptic number.

It is an amenable number.

212110201111201 is a deficient number, since it is larger than the sum of its proper divisors (2100101001203).

212110201111201 is a wasteful number, since it uses less digits than its factorization.

212110201111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100101001202.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 212110201111201 its reverse (102111102011212), we get a palindrome (314221303122413).

The spelling of 212110201111201 in words is "two hundred twelve trillion, one hundred ten billion, two hundred one million, one hundred eleven thousand, two hundred one".

Divisors: 1 101 2100101001101 212110201111201