1021223031299 has 16 divisors (see below), whose sum is σ = 1063539462144. Its totient is φ = 979530278400.

The previous prime is 1021223031259. The next prime is 1021223031317. The reversal of 1021223031299 is 9921303221201.

It is a cyclic number.

It is not a de Polignac number, because 1021223031299 - 2²⁰ = 1021221982723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021223031259) 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 15 ways as a sum of consecutive naturals, for example, 1306472 + ... + 1936314.

It is an arithmetic number, because the mean of its divisors is an integer number (66471216384).

Almost surely, 2^{1021223031299} is an apocalyptic number.

1021223031299 is a deficient number, since it is larger than the sum of its proper divisors (42316430845).

1021223031299 is a wasteful number, since it uses less digits than its factorization.

1021223031299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630338.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 1021223031299 in words is "one trillion, twenty-one billion, two hundred twenty-three million, thirty-one thousand, two hundred ninety-nine".