1021153112441 has 12 divisors (see below), whose sum is σ = 1282770853056. Its totient is φ = 795703723320.

The previous prime is 1021153112429. The next prime is 1021153112461. The reversal of 1021153112441 is 1442113511201.

It is not a de Polignac number, because 1021153112441 - 2³⁴ = 1003973243257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021153112441.

It is not an unprimeable number, because it can be changed into a prime (1021153112461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602805005 + ... + 602806698.

It is an arithmetic number, because the mean of its divisors is an integer number (106897571088).

Almost surely, 2^{1021153112441} is an apocalyptic number.

1021153112441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021153112441 is a deficient number, since it is larger than the sum of its proper divisors (261617740615).

1021153112441 is a wasteful number, since it uses less digits than its factorization.

1021153112441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205611732 (or 1205611721 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 1021153112441 its reverse (1442113511201), we get a palindrome (2463266623642).

The spelling of 1021153112441 in words is "one trillion, twenty-one billion, one hundred fifty-three million, one hundred twelve thousand, four hundred forty-one".