1101143424121 has 16 divisors (see below), whose sum is σ = 1249436543040. Its totient is φ = 962035427520.

The previous prime is 1101143424103. The next prime is 1101143424151. The reversal of 1101143424121 is 1214243411011.

It is a cyclic number.

It is not a de Polignac number, because 1101143424121 - 2⁷ = 1101143423993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101143424151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1838815 + ... + 2362948.

It is an arithmetic number, because the mean of its divisors is an integer number (78089783940).

Almost surely, 2^{1101143424121} is an apocalyptic number.

It is an amenable number.

1101143424121 is a deficient number, since it is larger than the sum of its proper divisors (148293118919).

1101143424121 is a wasteful number, since it uses less digits than its factorization.

1101143424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202856.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 1101143424121 its reverse (1214243411011), we get a palindrome (2315386835132).

The spelling of 1101143424121 in words is "one trillion, one hundred one billion, one hundred forty-three million, four hundred twenty-four thousand, one hundred twenty-one".