1121223302021 has 8 divisors (see below), whose sum is σ = 1123054631424. Its totient is φ = 1119392874000.

The previous prime is 1121223301969. The next prime is 1121223302063. The reversal of 1121223302021 is 1202033221211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121223302021 - 2¹⁰ = 1121223300997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121223301984 and 1121223302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121223308021) 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 7 ways as a sum of consecutive naturals, for example, 2287295 + ... + 2733891.

It is an arithmetic number, because the mean of its divisors is an integer number (140381828928).

Almost surely, 2^{1121223302021} is an apocalyptic number.

It is an amenable number.

1121223302021 is a deficient number, since it is larger than the sum of its proper divisors (1831329403).

1121223302021 is an equidigital number, since it uses as much as digits as its factorization.

1121223302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450691.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121223302021 its reverse (1202033221211), we get a palindrome (2323256523232).

It can be divided in two parts, 112122 and 3302021, that added together give a palindrome (3414143).

The spelling of 1121223302021 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred two thousand, twenty-one".