1121411023421 has 8 divisors (see below), whose sum is σ = 1207710092064. Its totient is φ = 1035117195120.

The previous prime is 1121411023379. The next prime is 1121411023519. The reversal of 1121411023421 is 1243201141211.

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 1121411023421 - 2¹⁰ = 1121411022397 is a prime.

It is a super-2 number, since 2×1121411023421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121411023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859895 + ... + 1726916.

It is an arithmetic number, because the mean of its divisors is an integer number (150963761508).

Almost surely, 2^{1121411023421} is an apocalyptic number.

It is an amenable number.

1121411023421 is a deficient number, since it is larger than the sum of its proper divisors (86299068643).

1121411023421 is a wasteful number, since it uses less digits than its factorization.

1121411023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620171.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1121411023421 its reverse (1243201141211), we get a palindrome (2364612164632).

The spelling of 1121411023421 in words is "one trillion, one hundred twenty-one billion, four hundred eleven million, twenty-three thousand, four hundred twenty-one".