1123412334021 has 16 divisors (see below), whose sum is σ = 1667878430400. Its totient is φ = 747337818384.

The previous prime is 1123412334017. The next prime is 1123412334053. The reversal of 1123412334021 is 1204332143211.

1123412334021 is a `hidden beast` number, since 1 + 1 + 23 + 4 + 1 + 233 + 402 + 1 = 666.

It is not a de Polignac number, because 1123412334021 - 2² = 1123412334017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123412334001) 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 15 ways as a sum of consecutive naturals, for example, 44535426 + ... + 44560643.

It is an arithmetic number, because the mean of its divisors is an integer number (104242401900).

Almost surely, 2^{1123412334021} is an apocalyptic number.

It is an amenable number.

1123412334021 is a deficient number, since it is larger than the sum of its proper divisors (544466096379).

1123412334021 is an equidigital number, since it uses as much as digits as its factorization.

1123412334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89096545 (or 89096539 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1123412334021 its reverse (1204332143211), we get a palindrome (2327744477232).

The spelling of 1123412334021 in words is "one trillion, one hundred twenty-three billion, four hundred twelve million, three hundred thirty-four thousand, twenty-one".