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212230101221011 = 439148332976821
BaseRepresentation
bin110000010000010110101011…
…110010110011111010010011
31000211102222222122202022100201
4300100112223302303322103
5210304134221403033021
62031213055035200031
762463055516412056
oct6020265362637223
91024388878668321
10212230101221011
116169430a348205
121b9777475a6017
13915629c3131c3
143a59dc535aa9d
1519808d2da4591
hexc105abcb3e93

212230101221011 has 4 divisors (see below), whose sum is σ = 212278434202224. Its totient is φ = 212181768239800.

The previous prime is 212230101220987. The next prime is 212230101221101. The reversal of 212230101221011 is 110122101032212.

212230101221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212230101221011 - 227 = 212229967003283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212230101221011.

It is not an unprimeable number, because it can be changed into a prime (212230101231011) 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, 24166484020 + ... + 24166492801.

It is an arithmetic number, because the mean of its divisors is an integer number (53069608550556).

Almost surely, 2212230101221011 is an apocalyptic number.

212230101221011 is a deficient number, since it is larger than the sum of its proper divisors (48332981213).

212230101221011 is an equidigital number, since it uses as much as digits as its factorization.

212230101221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48332981212.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212230101221011 its reverse (110122101032212), we get a palindrome (322352202253223).

The spelling of 212230101221011 in words is "two hundred twelve trillion, two hundred thirty billion, one hundred one million, two hundred twenty-one thousand, eleven".

Divisors: 1 4391 48332976821 212230101221011