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2111002010011 = 2972793172759
BaseRepresentation
bin11110101110000001100…
…001100110000110011011
321110210212100201012200001
4132232001201212012123
5234041313003310021
64253440403153431
7305341412010346
oct36560141460633
97423770635601
102111002010011
117442a8667944
122a1162375877
131240b35232bb
147425cb8545d
1539da3052091
hex1eb8186619b

2111002010011 has 4 divisors (see below), whose sum is σ = 2183795182800. Its totient is φ = 2038208837224.

The previous prime is 2111002010009. The next prime is 2111002010053. The reversal of 2111002010011 is 1100102001112.

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 2111002010011 - 21 = 2111002010009 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 2111002010011.

It is not an unprimeable number, because it can be changed into a prime (2111002017011) 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, 36396586351 + ... + 36396586408.

It is an arithmetic number, because the mean of its divisors is an integer number (545948795700).

Almost surely, 22111002010011 is an apocalyptic number.

2111002010011 is a deficient number, since it is larger than the sum of its proper divisors (72793172789).

2111002010011 is an equidigital number, since it uses as much as digits as its factorization.

2111002010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72793172788.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2111002010011 its reverse (1100102001112), we get a palindrome (3211104011123).

The spelling of 2111002010011 in words is "two trillion, one hundred eleven billion, two million, ten thousand, eleven".

Divisors: 1 29 72793172759 2111002010011