1123422420021 has 8 divisors (see below), whose sum is σ = 1634068974624. Its totient is φ = 680862072720.

The previous prime is 1123422419969. The next prime is 1123422420023. The reversal of 1123422420021 is 1200242243211.

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

It is not a de Polignac number, because 1123422420021 - 2¹⁴ = 1123422403637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123422419973 and 1123422420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123422420023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17021551786 + ... + 17021551851.

It is an arithmetic number, because the mean of its divisors is an integer number (204258621828).

Almost surely, 2^{1123422420021} is an apocalyptic number.

1123422420021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123422420021 is a deficient number, since it is larger than the sum of its proper divisors (510646554603).

1123422420021 is a wasteful number, since it uses less digits than its factorization.

1123422420021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34043103651.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1123422420021 its reverse (1200242243211), we get a palindrome (2323664663232).

The spelling of 1123422420021 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-two million, four hundred twenty thousand, twenty-one".