1021130143253 has 24 divisors (see below), whose sum is σ = 1126917852480. Its totient is φ = 924570187200.

The previous prime is 1021130143211. The next prime is 1021130143259. The reversal of 1021130143253 is 3523410311201.

It is not a de Polignac number, because 1021130143253 - 2¹⁶ = 1021130077717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021130143259) by changing a digit.

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, 32003438 + ... + 32035328.

It is an arithmetic number, because the mean of its divisors is an integer number (46954910520).

Almost surely, 2^{1021130143253} is an apocalyptic number.

It is an amenable number.

1021130143253 is a deficient number, since it is larger than the sum of its proper divisors (105787709227).

1021130143253 is a wasteful number, since it uses less digits than its factorization.

1021130143253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32969 (or 32958 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1021130143253 its reverse (3523410311201), we get a palindrome (4544540454454).

The spelling of 1021130143253 in words is "one trillion, twenty-one billion, one hundred thirty million, one hundred forty-three thousand, two hundred fifty-three".