1223140224011 has 4 divisors (see below), whose sum is σ = 1229973409800. Its totient is φ = 1216307038224.

The previous prime is 1223140223939. The next prime is 1223140224049. The reversal of 1223140224011 is 1104220413221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1223140224011 - 2²² = 1223136029707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223143224011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416592626 + ... + 3416592983.

It is an arithmetic number, because the mean of its divisors is an integer number (307493352450).

Almost surely, 2^{1223140224011} is an apocalyptic number.

1223140224011 is a deficient number, since it is larger than the sum of its proper divisors (6833185789).

1223140224011 is an equidigital number, since it uses as much as digits as its factorization.

1223140224011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833185788.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1223140224011 its reverse (1104220413221), we get a palindrome (2327360637232).

The spelling of 1223140224011 in words is "one trillion, two hundred twenty-three billion, one hundred forty million, two hundred twenty-four thousand, eleven".