1121223103223 has 16 divisors (see below), whose sum is σ = 1148792694336. Its totient is φ = 1093907592960.

The previous prime is 1121223103219. The next prime is 1121223103267. The reversal of 1121223103223 is 3223013221211.

It is a cyclic number.

It is not a de Polignac number, because 1121223103223 - 2² = 1121223103219 is a prime.

It is a super-2 number, since 2×1121223103223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121223103523) 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, 7017758 + ... + 7175748.

It is an arithmetic number, because the mean of its divisors is an integer number (71799543396).

Almost surely, 2^{1121223103223} is an apocalyptic number.

1121223103223 is a deficient number, since it is larger than the sum of its proper divisors (27569591113).

1121223103223 is a wasteful number, since it uses less digits than its factorization.

1121223103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158794.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1121223103223 its reverse (3223013221211), we get a palindrome (4344236324434).

The spelling of 1121223103223 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred three thousand, two hundred twenty-three".