1004142033021 has 32 divisors (see below), whose sum is σ = 1425318156288. Its totient is φ = 626626396160.

The previous prime is 1004142032963. The next prime is 1004142033043. The reversal of 1004142033021 is 1203302414001.

It is a cyclic number.

It is not a de Polignac number, because 1004142033021 - 2⁷ = 1004142032893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004142032021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85257085 + ... + 85268861.

It is an arithmetic number, because the mean of its divisors is an integer number (44541192384).

Almost surely, 2^{1004142033021} is an apocalyptic number.

It is an amenable number.

1004142033021 is a deficient number, since it is larger than the sum of its proper divisors (421176123267).

1004142033021 is a wasteful number, since it uses less digits than its factorization.

1004142033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20741.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1004142033021 its reverse (1203302414001), we get a palindrome (2207444447022).

The spelling of 1004142033021 in words is "one trillion, four billion, one hundred forty-two million, thirty-three thousand, twenty-one".