1101012223 has 4 divisors (see below), whose sum is σ = 1110755808. Its totient is φ = 1091268640.

The previous prime is 1101012197. The next prime is 1101012257. The reversal of 1101012223 is 3222101011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222101011 = 149 ⋅21624839.

It is a cyclic number.

It is not a de Polignac number, because 1101012223 - 2⁹ = 1101011711 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 (1101012023) 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, 4871623 + ... + 4871848.

It is an arithmetic number, because the mean of its divisors is an integer number (277688952).

Almost surely, 2^1101012223 is an apocalyptic number.

1101012223 is a deficient number, since it is larger than the sum of its proper divisors (9743585).

1101012223 is an equidigital number, since it uses as much as digits as its factorization.

1101012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743584.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1101012223 is about 33181.5042305197. The cubic root of 1101012223 is about 1032.5966540422.

Adding to 1101012223 its reverse (3222101011), we get a palindrome (4323113234).

The spelling of 1101012223 in words is "one billion, one hundred one million, twelve thousand, two hundred twenty-three".