1100223421 has 8 divisors (see below), whose sum is σ = 1200513888. Its totient is φ = 999978000.

The previous prime is 1100223409. The next prime is 1100223457. The reversal of 1100223421 is 1243220011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100223421 - 2²⁷ = 966005693 is a prime.

It is a super-2 number, since 2×1100223421² = 2420983152233886482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100223395 and 1100223404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100223491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58791 + ... + 75211.

It is an arithmetic number, because the mean of its divisors is an integer number (150064236).

Almost surely, 2^1100223421 is an apocalyptic number.

1100223421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100223421 is a deficient number, since it is larger than the sum of its proper divisors (100290467).

1100223421 is a wasteful number, since it uses less digits than its factorization.

1100223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22523.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1100223421 is about 33169.6159308485. The cubic root of 1100223421 is about 1032.3499995299.

Adding to 1100223421 its reverse (1243220011), we get a palindrome (2343443432).

The spelling of 1100223421 in words is "one billion, one hundred million, two hundred twenty-three thousand, four hundred twenty-one".