1101101001223 has 16 divisors (see below), whose sum is σ = 1110308290560. Its totient is φ = 1091928146400.

The previous prime is 1101101001113. The next prime is 1101101001233. The reversal of 1101101001223 is 3221001011011.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101101001223 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 (1101101001233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134424058 + ... + 134432248.

It is an arithmetic number, because the mean of its divisors is an integer number (69394268160).

Almost surely, 2^{1101101001223} is an apocalyptic number.

1101101001223 is a deficient number, since it is larger than the sum of its proper divisors (9207289337).

1101101001223 is an equidigital number, since it uses as much as digits as its factorization.

1101101001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1101101001223 its reverse (3221001011011), we get a palindrome (4322102012234).

The spelling of 1101101001223 in words is "one trillion, one hundred one billion, one hundred one million, one thousand, two hundred twenty-three".