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1010211111011 = 2394234219357
BaseRepresentation
bin11101011001101010100…
…01100100000001100011
310120120112100102121110202
432230311101210001203
5113022403021023021
62052030134015415
7132661654522664
oct16546521440143
93516470377422
101010211111011
1135a478921813
121439517a756b
137435493076b
1436c7464136b
151b427e25a0b
hexeb35464063

1010211111011 has 4 divisors (see below), whose sum is σ = 1010215569792. Its totient is φ = 1010206652232.

The previous prime is 1010211110999. The next prime is 1010211111043. The reversal of 1010211111011 is 1101111120101.

It is a happy number.

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 1010211111011 - 234 = 993031241827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010211110983 and 1010211111001.

It is not an unprimeable number, because it can be changed into a prime (1010211131011) 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, 1870256 + ... + 2349101.

It is an arithmetic number, because the mean of its divisors is an integer number (252553892448).

Almost surely, 21010211111011 is an apocalyptic number.

1010211111011 is a deficient number, since it is larger than the sum of its proper divisors (4458781).

1010211111011 is an equidigital number, since it uses as much as digits as its factorization.

1010211111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458780.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1010211111011 its reverse (1101111120101), we get a palindrome (2111322231112).

The spelling of 1010211111011 in words is "one trillion, ten billion, two hundred eleven million, one hundred eleven thousand, eleven".

Divisors: 1 239423 4219357 1010211111011