1021401030404 has 12 divisors (see below), whose sum is σ = 1794248199744. Its totient is φ = 508758687624.

The previous prime is 1021401030383. The next prime is 1021401030431. The reversal of 1021401030404 is 4040301041201.

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, 485455712 + ... + 485457815.

It is an arithmetic number, because the mean of its divisors is an integer number (149520683312).

Almost surely, 2^{1021401030404} is an apocalyptic number.

It is an amenable number.

1021401030404 is a deficient number, since it is larger than the sum of its proper divisors (772847169340).

1021401030404 is a wasteful number, since it uses less digits than its factorization.

1021401030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970913794 (or 970913792 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1021401030404 its reverse (4040301041201), we get a palindrome (5061702071605).

The spelling of 1021401030404 in words is "one trillion, twenty-one billion, four hundred one million, thirty thousand, four hundred four".