1101223120011 has 8 divisors (see below), whose sum is σ = 1678054278144. Its totient is φ = 629270354280.

The previous prime is 1101223119991. The next prime is 1101223120021. The reversal of 1101223120011 is 1100213221011.

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

It is not a de Polignac number, because 1101223120011 - 2⁶ = 1101223119947 is a prime.

It is a super-2 number, since 2×1101223120011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101223120021) 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, 26219598075 + ... + 26219598116.

It is an arithmetic number, because the mean of its divisors is an integer number (209756784768).

Almost surely, 2^{1101223120011} is an apocalyptic number.

1101223120011 is a deficient number, since it is larger than the sum of its proper divisors (576831158133).

1101223120011 is an equidigital number, since it uses as much as digits as its factorization.

1101223120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52439196201.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1101223120011 its reverse (1100213221011), we get a palindrome (2201436341022).

The spelling of 1101223120011 in words is "one trillion, one hundred one billion, two hundred twenty-three million, one hundred twenty thousand, eleven".