1001021563132 has 12 divisors (see below), whose sum is σ = 1843987090120. Its totient is φ = 474168108816.

The previous prime is 1001021563121. The next prime is 1001021563147. The reversal of 1001021563132 is 2313651201001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001021563097 and 1001021563106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6585668103 + ... + 6585668254.

Almost surely, 2^{1001021563132} is an apocalyptic number.

It is an amenable number.

1001021563132 is a deficient number, since it is larger than the sum of its proper divisors (842965526988).

1001021563132 is a wasteful number, since it uses less digits than its factorization.

1001021563132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13171336380 (or 13171336378 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 1001021563132 its reverse (2313651201001), we get a palindrome (3314672764133).

The spelling of 1001021563132 in words is "one trillion, one billion, twenty-one million, five hundred sixty-three thousand, one hundred thirty-two".