1001230021038 has 16 divisors (see below), whose sum is σ = 2156495430096. Its totient is φ = 308070775680.

The previous prime is 1001230021021. The next prime is 1001230021039. The reversal of 1001230021038 is 8301200321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001230021039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6418141083 + ... + 6418141238.

It is an arithmetic number, because the mean of its divisors is an integer number (134780964381).

Almost surely, 2^{1001230021038} is an apocalyptic number.

1001230021038 is an abundant number, since it is smaller than the sum of its proper divisors (1155265409058).

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

1001230021038 is a wasteful number, since it uses less digits than its factorization.

1001230021038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836282339.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1001230021038 its reverse (8301200321001), we get a palindrome (9302430342039).

The spelling of 1001230021038 in words is "one trillion, one billion, two hundred thirty million, twenty-one thousand, thirty-eight".