1100214421 has 4 divisors (see below), whose sum is σ = 1100281644. Its totient is φ = 1100147200.

The previous prime is 1100214413. The next prime is 1100214457. The reversal of 1100214421 is 1244120011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1018311921 + 81902500 = 31911^2 + 9050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100214421 - 2³ = 1100214413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100214395 and 1100214404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100214491) 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, 8661 + ... + 47701.

It is an arithmetic number, because the mean of its divisors is an integer number (275070411).

Almost surely, 2^1100214421 is an apocalyptic number.

It is an amenable number.

1100214421 is a deficient number, since it is larger than the sum of its proper divisors (67223).

1100214421 is an equidigital number, since it uses as much as digits as its factorization.

1100214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67222.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1100214421 is about 33169.4802642429. The cubic root of 1100214421 is about 1032.3471845940.

Adding to 1100214421 its reverse (1244120011), we get a palindrome (2344334432).

The spelling of 1100214421 in words is "one billion, one hundred million, two hundred fourteen thousand, four hundred twenty-one".