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1100200112221 = 7791989511957
BaseRepresentation
bin10000000000101001000…
…010010111000001011101
310220011210211121112002111
4100000221002113001131
5121011202212042341
62201231442354021
7142325661440050
oct20005102270135
93804724545074
101100200112221
113946573102a1
1215928695b911
137c9963a1682
143b36dcb8a97
151d94332d681
hex1002909705d

1100200112221 has 8 divisors (see below), whose sum is σ = 1273287653120. Its totient is φ = 931091595408.

The previous prime is 1100200112213. The next prime is 1100200112243. The reversal of 1100200112221 is 1222110020011.

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

It is a cyclic number.

It is not a de Polignac number, because 1100200112221 - 23 = 1100200112213 is a prime.

It is a super-2 number, since 2×11002001122212 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100200112251) 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, 994755426 + ... + 994756531.

It is an arithmetic number, because the mean of its divisors is an integer number (159160956640).

Almost surely, 21100200112221 is an apocalyptic number.

It is an amenable number.

1100200112221 is a deficient number, since it is larger than the sum of its proper divisors (173087540899).

1100200112221 is an equidigital number, since it uses as much as digits as its factorization.

1100200112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989512043.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100200112221 its reverse (1222110020011), we get a palindrome (2322310132232).

The spelling of 1100200112221 in words is "one trillion, one hundred billion, two hundred million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 79 553 1989511957 13926583699 157171444603 1100200112221