1096211021 has 4 divisors (see below), whose sum is σ = 1096402812. Its totient is φ = 1096019232.

The previous prime is 1096211009. The next prime is 1096211047. The reversal of 1096211021 is 1201126901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 725224900 + 370986121 = 26930^2 + 19261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096211021 - 2⁶ = 1096210957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1096216021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87050 + ... + 98843.

It is an arithmetic number, because the mean of its divisors is an integer number (274100703).

Almost surely, 2^1096211021 is an apocalyptic number.

It is an amenable number.

1096211021 is a deficient number, since it is larger than the sum of its proper divisors (191791).

1096211021 is an equidigital number, since it uses as much as digits as its factorization.

1096211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191790.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1096211021 is about 33109.0776223078. The cubic root of 1096211021 is about 1031.0935132934.

Adding to 1096211021 its reverse (1201126901), we get a palindrome (2297337922).

The spelling of 1096211021 in words is "one billion, ninety-six million, two hundred eleven thousand, twenty-one".