1101010100 has 144 divisors (see below), whose sum is σ = 2699827200. Its totient is φ = 387256320.

The previous prime is 1101010091. The next prime is 1101010111. The reversal of 1101010100 is 10101011.

1101010100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2874509 + ... + 2874891.

It is an arithmetic number, because the mean of its divisors is an integer number (18748800).

Almost surely, 2^1101010100 is an apocalyptic number.

1101010100 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 1101010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349913600).

1101010100 is an abundant number, since it is smaller than the sum of its proper divisors (1598817100).

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

1101010100 is a wasteful number, since it uses less digits than its factorization.

1101010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1101010100 is about 33181.4722397907. The cubic root of 1101010100 is about 1032.5959903486.

Adding to 1101010100 its reverse (10101011), we get a palindrome (1111111111).

It can be divided in two parts, 1 and 101010100, that added together give a palindrome (101010101).

The spelling of 1101010100 in words is "one billion, one hundred one million, ten thousand, one hundred".