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20212001112211 = 50131403183681
BaseRepresentation
bin1001001100001111110010…
…01001011000000010010011
32122120020201002221212011121
410212013321021120002103
510122123134241042321
6110553133133423111
74154161141524136
oct446077111300223
978506632855147
1020212001112211
11649295277a497
12232527a33aa97
13b37ca2a66a2c
144dc3a216a21d
15250b61bea441
hex1261f9258093

20212001112211 has 4 divisors (see below), whose sum is σ = 20212404346024. Its totient is φ = 20211597878400.

The previous prime is 20212001112209. The next prime is 20212001112253. The reversal of 20212001112211 is 11221110021202.

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 20212001112211 - 21 = 20212001112209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212001182211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201541710 + ... + 201641971.

It is an arithmetic number, because the mean of its divisors is an integer number (5053101086506).

Almost surely, 220212001112211 is an apocalyptic number.

20212001112211 is a deficient number, since it is larger than the sum of its proper divisors (403233813).

20212001112211 is an equidigital number, since it uses as much as digits as its factorization.

20212001112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403233812.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20212001112211 its reverse (11221110021202), we get a palindrome (31433111133413).

The spelling of 20212001112211 in words is "twenty trillion, two hundred twelve billion, one million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 50131 403183681 20212001112211