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1100011212211 = 9000112222211
BaseRepresentation
bin10000000000011101110…
…001110000110110110011
310220011022200011101222211
4100000131301300312303
5121010310332242321
62201201013512551
7142321206013132
oct20003561606663
93804280141884
101100011212211
1139456a71998a
12159233642757
137c966202812
143b352b85919
151d9319680e1
hex1001dc70db3

1100011212211 has 4 divisors (see below), whose sum is σ = 1100023524424. Its totient is φ = 1099998900000.

The previous prime is 1100011212197. The next prime is 1100011212253. The reversal of 1100011212211 is 1122121100011.

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 1100011212211 - 29 = 1100011211699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100011212191 and 1100011212200.

It is not an unprimeable number, because it can be changed into a prime (1100011218211) 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, 6021105 + ... + 6201106.

It is an arithmetic number, because the mean of its divisors is an integer number (275005881106).

Almost surely, 21100011212211 is an apocalyptic number.

1100011212211 is a deficient number, since it is larger than the sum of its proper divisors (12312213).

1100011212211 is an equidigital number, since it uses as much as digits as its factorization.

1100011212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12312212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1100011212211 its reverse (1122121100011), we get a palindrome (2222132312222).

The spelling of 1100011212211 in words is "one trillion, one hundred billion, eleven million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 90001 12222211 1100011212211