1021021020032 has 32 divisors (see below), whose sum is σ = 2190531879480. Its totient is φ = 471240470016.

The previous prime is 1021021020031. The next prime is 1021021020133. The reversal of 1021021020032 is 2300201201201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1021021019989 and 1021021020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021021020031) 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, 306795518 + ... + 306798845.

Almost surely, 2^{1021021020032} is an apocalyptic number.

It is an amenable number.

1021021020032 is an abundant number, since it is smaller than the sum of its proper divisors (1169510859448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021021020032 is an equidigital number, since it uses as much as digits as its factorization.

1021021020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613594390 (or 613594378 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1021021020032 its reverse (2300201201201), we get a palindrome (3321222221233).

The spelling of 1021021020032 in words is "one trillion, twenty-one billion, twenty-one million, twenty thousand, thirty-two".