1021203331004 has 12 divisors (see below), whose sum is σ = 1792743389304. Its totient is φ = 508990934064.

The previous prime is 1021203330977. The next prime is 1021203331039. The reversal of 1021203331004 is 4001333021201.

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, 402681434 + ... + 402683969.

It is an arithmetic number, because the mean of its divisors is an integer number (149395282442).

Almost surely, 2^{1021203331004} is an apocalyptic number.

It is an amenable number.

1021203331004 is a deficient number, since it is larger than the sum of its proper divisors (771540058300).

1021203331004 is a wasteful number, since it uses less digits than its factorization.

1021203331004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805365724 (or 805365722 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1021203331004 its reverse (4001333021201), we get a palindrome (5022536352205).

The spelling of 1021203331004 in words is "one trillion, twenty-one billion, two hundred three million, three hundred thirty-one thousand, four".