1011434024421 has 16 divisors (see below), whose sum is σ = 1500033753600. Its totient is φ = 673563510144.

The previous prime is 1011434024413. The next prime is 1011434024431. The reversal of 1011434024421 is 1244204341101.

It is not a de Polignac number, because 1011434024421 - 2³ = 1011434024413 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011434024401) 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, 20136661 + ... + 20186826.

It is an arithmetic number, because the mean of its divisors is an integer number (93752109600).

Almost surely, 2^{1011434024421} is an apocalyptic number.

It is an amenable number.

1011434024421 is a deficient number, since it is larger than the sum of its proper divisors (488599729179).

1011434024421 is an equidigital number, since it uses as much as digits as its factorization.

1011434024421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40324425 (or 40324419 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1011434024421 its reverse (1244204341101), we get a palindrome (2255638365522).

The spelling of 1011434024421 in words is "one trillion, eleven billion, four hundred thirty-four million, twenty-four thousand, four hundred twenty-one".