1121223302123 has 4 divisors (see below), whose sum is σ = 1159886174640. Its totient is φ = 1082560429608.

The previous prime is 1121223302119. The next prime is 1121223302183. The reversal of 1121223302123 is 3212033221211.

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 1121223302123 - 2² = 1121223302119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121223302183) 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, 19331436215 + ... + 19331436272.

It is an arithmetic number, because the mean of its divisors is an integer number (289971543660).

Almost surely, 2^{1121223302123} is an apocalyptic number.

1121223302123 is a deficient number, since it is larger than the sum of its proper divisors (38662872517).

1121223302123 is an equidigital number, since it uses as much as digits as its factorization.

1121223302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38662872516.

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

Adding to 1121223302123 its reverse (3212033221211), we get a palindrome (4333256523334).

The spelling of 1121223302123 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred two thousand, one hundred twenty-three".