1100214021 has 4 divisors (see below), whose sum is σ = 1466952032. Its totient is φ = 733476012.

The previous prime is 1100214001. The next prime is 1100214077. The reversal of 1100214021 is 1204120011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1100214021 - 2⁷ = 1100213893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100213988 and 1100214006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100214001) 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, 183369001 + ... + 183369006.

It is an arithmetic number, because the mean of its divisors is an integer number (366738008).

Almost surely, 2^1100214021 is an apocalyptic number.

It is an amenable number.

1100214021 is a deficient number, since it is larger than the sum of its proper divisors (366738011).

1100214021 is an equidigital number, since it uses as much as digits as its factorization.

1100214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366738010.

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

The square root of 1100214021 is about 33169.4742346031. The cubic root of 1100214021 is about 1032.3470594854.

Adding to 1100214021 its reverse (1204120011), we get a palindrome (2304334032).

The spelling of 1100214021 in words is "one billion, one hundred million, two hundred fourteen thousand, twenty-one".