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1100221000211 = 1721639291691
BaseRepresentation
bin10000000000101010010…
…010000010101000010011
310220011212021220202000202
4100000222102002220103
5121011223034001321
62201233510205415
7142326334125014
oct20005222025023
93804767822022
101100221000211
113946680877a3
1215929195386b
137c99a806028
143b37299500b
151d9450a770b
hex1002a482a13

1100221000211 has 4 divisors (see below), whose sum is σ = 1100860293624. Its totient is φ = 1099581706800.

The previous prime is 1100221000201. The next prime is 1100221000213. The reversal of 1100221000211 is 1120001220011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1100221000211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100221000192 and 1100221000201.

It is not an unprimeable number, because it can be changed into a prime (1100221000213) 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, 319644125 + ... + 319647566.

It is an arithmetic number, because the mean of its divisors is an integer number (275215073406).

Almost surely, 21100221000211 is an apocalyptic number.

1100221000211 is a deficient number, since it is larger than the sum of its proper divisors (639293413).

1100221000211 is an equidigital number, since it uses as much as digits as its factorization.

1100221000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639293412.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100221000211 its reverse (1120001220011), we get a palindrome (2220222220222).

The spelling of 1100221000211 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred eleven", and thus it is an aban number.

Divisors: 1 1721 639291691 1100221000211