1010121321303 has 16 divisors (see below), whose sum is σ = 1521008428000. Its totient is φ = 662374635840.

The previous prime is 1010121321269. The next prime is 1010121321331. The reversal of 1010121321303 is 3031231210101.

1010121321303 is a `hidden beast` number, since 10 + 10 + 1 + 21 + 321 + 303 = 666.

It is not a de Polignac number, because 1010121321303 - 2⁶ = 1010121321239 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 (1010121361303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306653278 + ... + 306656571.

It is an arithmetic number, because the mean of its divisors is an integer number (95063026750).

Almost surely, 2^{1010121321303} is an apocalyptic number.

1010121321303 is a deficient number, since it is larger than the sum of its proper divisors (510887106697).

1010121321303 is an equidigital number, since it uses as much as digits as its factorization.

1010121321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613309919 (or 613309913 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1010121321303 its reverse (3031231210101), we get a palindrome (4041352531404).

The spelling of 1010121321303 in words is "one trillion, ten billion, one hundred twenty-one million, three hundred twenty-one thousand, three hundred three".