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BaseRepresentation
bin1000001100110000…
…1001110010001100
312200101120102220021
42003030021302030
514001424013400
61002223031524
7105354125554
oct20314116214
95611512807
102201001100
11a2a453781
1251513b5a4
13290cc221c
1416c45c164
15cd36871a
hex83309c8c

2201001100 has 72 divisors (see below), whose sum is σ = 5052489120. Its totient is φ = 830522880.

The previous prime is 2201001083. The next prime is 2201001107. The reversal of 2201001100 is 11001022.

Adding to 2201001100 its reverse (11001022), we get a palindrome (2212002122).

It is not an unprimeable number, because it can be changed into a prime (2201001107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161346 + ... + 174454.

It is an arithmetic number, because the mean of its divisors is an integer number (70173460).

Almost surely, 22201001100 is an apocalyptic number.

2201001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2526244560).

2201001100 is an abundant number, since it is smaller than the sum of its proper divisors (2851488020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201001100 is a wasteful number, since it uses less digits than its factorization.

2201001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219 (or 13212 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2201001100 is about 46914.8281463334. The cubic root of 2201001100 is about 1300.7886930111.

The spelling of 2201001100 in words is "two billion, two hundred one million, one thousand, one hundred".