1021233321229 has 16 divisors (see below), whose sum is σ = 1132574607360. Its totient is φ = 913100531760.

The previous prime is 1021233321197. The next prime is 1021233321247. The reversal of 1021233321229 is 9221233321201.

It is a cyclic number.

It is not a de Polignac number, because 1021233321229 - 2⁵ = 1021233321197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021233321229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021233321529) 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, 2957469 + ... + 3284674.

It is an arithmetic number, because the mean of its divisors is an integer number (70785912960).

Almost surely, 2^{1021233321229} is an apocalyptic number.

It is an amenable number.

1021233321229 is a deficient number, since it is larger than the sum of its proper divisors (111341286131).

1021233321229 is a wasteful number, since it uses less digits than its factorization.

1021233321229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242400.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 1021233321229 in words is "one trillion, twenty-one billion, two hundred thirty-three million, three hundred twenty-one thousand, two hundred twenty-nine".