1122203000243 has 4 divisors (see below), whose sum is σ = 1208526307968. Its totient is φ = 1035879692520.

The previous prime is 1122203000207. The next prime is 1122203000263. The reversal of 1122203000243 is 3420003022211.

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 1122203000243 - 2³² = 1117908032947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122203000263) 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, 43161653843 + ... + 43161653868.

It is an arithmetic number, because the mean of its divisors is an integer number (302131576992).

Almost surely, 2^{1122203000243} is an apocalyptic number.

1122203000243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122203000243 is a deficient number, since it is larger than the sum of its proper divisors (86323307725).

1122203000243 is an equidigital number, since it uses as much as digits as its factorization.

1122203000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86323307724.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1122203000243 its reverse (3420003022211), we get a palindrome (4542206022454).

The spelling of 1122203000243 in words is "one trillion, one hundred twenty-two billion, two hundred three million, two hundred forty-three", and thus it is an aban number.