Search a number
BaseRepresentation
bin100001001001010…
…1101011110001100
32212111210200002100
41002102231132030
54234210413400
6302210155100
736363360543
oct10222553614
92774720070
101112201100
1152089916a
12270582a90
1314956337a
14a79d715a
1567996100

1112201100 has 216 divisors, whose sum is σ = 3699572240. Its totient is φ = 278691840.

The previous prime is 1112201099. The next prime is 1112201141. The reversal of 1112201100 is 11022111.

Adding to 1112201100 its reverse (11022111), we get a palindrome (1123223211).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3300132 + ... + 3300468.

Almost surely, 21112201100 is an apocalyptic number.

1112201100 is a gapful number since it is divisible by the number (10) 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 1112201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849786120).

1112201100 is an abundant number, since it is smaller than the sum of its proper divisors (2587371140).

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

1112201100 is a wasteful number, since it uses less digits than its factorization.

1112201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1112201100 is about 33349.6791588765. The cubic root of 1112201100 is about 1036.0827428534.

The spelling of 1112201100 in words is "one billion, one hundred twelve million, two hundred one thousand, one hundred".