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102011211011 = 208353879091
BaseRepresentation
bin101111100000001010…
…1111000110100000011
3100202022100002110002102
41133000111320310003
53132404332223021
6114510250141015
710240634662313
oct1370025706403
9322270073072
10102011211011
113a29873a766
121792b42176b
1398093b0928
144d1a1d7443
1529c0ab400b
hex17c0578d03

102011211011 has 8 divisors (see below), whose sum is σ = 102090358464. Its totient is φ = 101932096680.

The previous prime is 102011210971. The next prime is 102011211023. The reversal of 102011211011 is 110112110201.

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-102011211011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011210983 and 102011211001.

It is not an unprimeable number, because it can be changed into a prime (102011211061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11216576 + ... + 11225666.

It is an arithmetic number, because the mean of its divisors is an integer number (12761294808).

Almost surely, 2102011211011 is an apocalyptic number.

102011211011 is a deficient number, since it is larger than the sum of its proper divisors (79147453).

102011211011 is an equidigital number, since it uses as much as digits as its factorization.

102011211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102011211011 its reverse (110112110201), we get a palindrome (212123321212).

The spelling of 102011211011 in words is "one hundred two billion, eleven million, two hundred eleven thousand, eleven".

Divisors: 1 2083 5387 9091 11221121 18936553 48973217 102011211011