1021332101023 has 16 divisors (see below), whose sum is σ = 1118564661760. Its totient is φ = 926898181344.

The previous prime is 1021332100981. The next prime is 1021332101081. The reversal of 1021332101023 is 3201012331201.

It is a cyclic number.

It is not a de Polignac number, because 1021332101023 - 2⁹ = 1021332100511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021332101123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557611 + ... + 2929852.

It is an arithmetic number, because the mean of its divisors is an integer number (69910291360).

Almost surely, 2^{1021332101023} is an apocalyptic number.

1021332101023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1021332101023 is a deficient number, since it is larger than the sum of its proper divisors (97232560737).

1021332101023 is a wasteful number, since it uses less digits than its factorization.

1021332101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487718.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1021332101023 its reverse (3201012331201), we get a palindrome (4222344432224).

The spelling of 1021332101023 in words is "one trillion, twenty-one billion, three hundred thirty-two million, one hundred one thousand, twenty-three".