1101020200 has 72 divisors (see below), whose sum is σ = 2977836750. Its totient is φ = 377489280.

The previous prime is 1101020183. The next prime is 1101020209. The reversal of 1101020200 is 20201011.

It can be written as a sum of positive squares in 3 ways, for example, as 942612804 + 158407396 = 30702^2 + 12586^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1101020209) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46375 + ... + 65974.

Almost surely, 2^1101020200 is an apocalyptic number.

1101020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101020200 is an abundant number, since it is smaller than the sum of its proper divisors (1876816550).

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

1101020200 is a wasteful number, since it uses less digits than its factorization.

1101020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112379 (or 112363 counting only the distinct ones).

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

The square root of 1101020200 is about 33181.6244328092. The cubic root of 1101020200 is about 1032.5991478091.

Adding to 1101020200 its reverse (20201011), we get a palindrome (1121221211).

The spelling of 1101020200 in words is "one billion, one hundred one million, twenty thousand, two hundred".