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1011211110011 = 19216481245849
BaseRepresentation
bin11101011011100001110…
…00010000011001111011
310120200010001002211012202
432231300320100121323
5113031430021010021
62052313255300415
7133025516420654
oct16556070203173
93520101084182
101011211110011
1135a941344873
12143b9067a70b
1374483b6a34b
1436d2b38c52b
151b485b06a0b
hexeb70e1067b

1011211110011 has 8 divisors (see below), whose sum is σ = 1064441994000. Its totient is φ = 957981150720.

The previous prime is 1011211109999. The next prime is 1011211110103. The reversal of 1011211110011 is 1100111121101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1011211110011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011211109974 and 1011211110001.

It is not an unprimeable number, because it can be changed into a prime (1011211110911) 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, 3990215 + ... + 4236063.

It is an arithmetic number, because the mean of its divisors is an integer number (133055249250).

Almost surely, 21011211110011 is an apocalyptic number.

1011211110011 is a deficient number, since it is larger than the sum of its proper divisors (53230883989).

1011211110011 is a wasteful number, since it uses less digits than its factorization.

1011211110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462349.

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

Adding to 1011211110011 its reverse (1100111121101), we get a palindrome (2111322231112).

The spelling of 1011211110011 in words is "one trillion, eleven billion, two hundred eleven million, one hundred ten thousand, eleven".

Divisors: 1 19 216481 245849 4113139 4671131 53221637369 1011211110011