1021421413135 has 8 divisors (see below), whose sum is σ = 1225855825056. Its totient is φ = 817037044320.

The previous prime is 1021421413057. The next prime is 1021421413141. The reversal of 1021421413135 is 5313141241201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1021421413135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12465856 + ... + 12547525.

It is an arithmetic number, because the mean of its divisors is an integer number (153231978132).

Almost surely, 2^{1021421413135} is an apocalyptic number.

1021421413135 is a deficient number, since it is larger than the sum of its proper divisors (204434411921).

1021421413135 is an equidigital number, since it uses as much as digits as its factorization.

1021421413135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25021553.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1021421413135 its reverse (5313141241201), we get a palindrome (6334562654336).

The spelling of 1021421413135 in words is "one trillion, twenty-one billion, four hundred twenty-one million, four hundred thirteen thousand, one hundred thirty-five".