1100212223 has 24 divisors (see below), whose sum is σ = 1233388800. Its totient is φ = 980488080.

The previous prime is 1100212193. The next prime is 1100212229. The reversal of 1100212223 is 3222120011.

It is a happy number.

It is not a de Polignac number, because 1100212223 - 2¹⁸ = 1099950079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100212198 and 1100212207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1710740 + ... + 1711382.

It is an arithmetic number, because the mean of its divisors is an integer number (51391200).

Almost surely, 2^1100212223 is an apocalyptic number.

1100212223 is a deficient number, since it is larger than the sum of its proper divisors (133176577).

1100212223 is a wasteful number, since it uses less digits than its factorization.

1100212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1100212223 is about 33169.4471313587. The cubic root of 1100212223 is about 1032.3464971218.

Adding to 1100212223 its reverse (3222120011), we get a palindrome (4322332234).

The spelling of 1100212223 in words is "one billion, one hundred million, two hundred twelve thousand, two hundred twenty-three".