1021135052344 has 96 divisors (see below), whose sum is σ = 2156798170800. Its totient is φ = 452629900800.

The previous prime is 1021135052297. The next prime is 1021135052389. The reversal of 1021135052344 is 4432505311201.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 121718902 + ... + 121727290.

Almost surely, 2^{1021135052344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021135052344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078399085400).

1021135052344 is an abundant number, since it is smaller than the sum of its proper divisors (1135663118456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021135052344 is a wasteful number, since it uses less digits than its factorization.

1021135052344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1021135052344 in words is "one trillion, twenty-one billion, one hundred thirty-five million, fifty-two thousand, three hundred forty-four".