1100421210 has 32 divisors (see below), whose sum is σ = 3018298752. Its totient is φ = 251524800.

The previous prime is 1100421197. The next prime is 1100421239. The reversal of 1100421210 is 121240011.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619841 + ... + 2620260.

It is an arithmetic number, because the mean of its divisors is an integer number (94321836).

Almost surely, 2^1100421210 is an apocalyptic number.

1100421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100421210 is an abundant number, since it is smaller than the sum of its proper divisors (1917877542).

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

1100421210 is a wasteful number, since it uses less digits than its factorization.

1100421210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240118.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1100421210 is about 33172.5972754622. The cubic root of 1100421210 is about 1032.4118582505.

Adding to 1100421210 its reverse (121240011), we get a palindrome (1221661221).

The spelling of 1100421210 in words is "one billion, one hundred million, four hundred twenty-one thousand, two hundred ten".