1021133132513 has 32 divisors (see below), whose sum is σ = 1109436894720. Its totient is φ = 934272541440.

The previous prime is 1021133132479. The next prime is 1021133132521. The reversal of 1021133132513 is 3152313311201.

It is a cyclic number.

It is not a de Polignac number, because 1021133132513 - 2¹⁸ = 1021132870369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021133132533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 878015870 + ... + 878017032.

It is an arithmetic number, because the mean of its divisors is an integer number (34669902960).

Almost surely, 2^{1021133132513} is an apocalyptic number.

1021133132513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1021133132513 is a deficient number, since it is larger than the sum of its proper divisors (88303762207).

1021133132513 is a wasteful number, since it uses less digits than its factorization.

1021133132513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 1021133132513 its reverse (3152313311201), we get a palindrome (4173446443714).

The spelling of 1021133132513 in words is "one trillion, twenty-one billion, one hundred thirty-three million, one hundred thirty-two thousand, five hundred thirteen".