1002022021232 has 20 divisors (see below), whose sum is σ = 1973244187176. Its totient is φ = 492797714880.

The previous prime is 1002022021219. The next prime is 1002022021237. The reversal of 1002022021232 is 2321202202001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002022021232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022021237) 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, 513329978 + ... + 513331929.

Almost surely, 2^{1002022021232} is an apocalyptic number.

It is an amenable number.

1002022021232 is a deficient number, since it is larger than the sum of its proper divisors (971222165944).

1002022021232 is a wasteful number, since it uses less digits than its factorization.

1002022021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026661976 (or 1026661970 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1002022021232 its reverse (2321202202001), we get a palindrome (3323224223233).

The spelling of 1002022021232 in words is "one trillion, two billion, twenty-two million, twenty-one thousand, two hundred thirty-two".