1021021220332 has 12 divisors (see below), whose sum is σ = 1789498501560. Its totient is φ = 509735934176.

The previous prime is 1021021220291. The next prime is 1021021220339. The reversal of 1021021220332 is 2330221201201.

It is not an unprimeable number, because it can be changed into a prime (1021021220339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193666033 + ... + 193671304.

It is an arithmetic number, because the mean of its divisors is an integer number (149124875130).

Almost surely, 2^{1021021220332} is an apocalyptic number.

It is an amenable number.

1021021220332 is a deficient number, since it is larger than the sum of its proper divisors (768477281228).

1021021220332 is a wasteful number, since it uses less digits than its factorization.

1021021220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387338000 (or 387337998 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1021021220332 its reverse (2330221201201), we get a palindrome (3351242421533).

The spelling of 1021021220332 in words is "one trillion, twenty-one billion, twenty-one million, two hundred twenty thousand, three hundred thirty-two".