1021100224 has 28 divisors (see below), whose sum is σ = 2033441704. Its totient is φ = 508737024.

The previous prime is 1021100209. The next prime is 1021100263. The reversal of 1021100224 is 4220011201.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 10077 + ... + 46300.

It is an arithmetic number, because the mean of its divisors is an integer number (72622918).

Almost surely, 2^1021100224 is an apocalyptic number.

It is an amenable number.

1021100224 is a deficient number, since it is larger than the sum of its proper divisors (1012341480).

1021100224 is an equidigital number, since it uses as much as digits as its factorization.

1021100224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56672 (or 56662 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1021100224 is about 31954.6588778538. The cubic root of 1021100224 is about 1006.9845110296.

Adding to 1021100224 its reverse (4220011201), we get a palindrome (5241111425).

The spelling of 1021100224 in words is "one billion, twenty-one million, one hundred thousand, two hundred twenty-four".