221103031404 has 24 divisors (see below), whose sum is σ = 516303047680. Its totient is φ = 73644442704.

The previous prime is 221103031379. The next prime is 221103031423. The reversal of 221103031404 is 404130301122.

It is a super-3 number, since 3×221103031404³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7054684 + ... + 7085955.

Almost surely, 2^221103031404 is an apocalyptic number.

It is an amenable number.

221103031404 is an abundant number, since it is smaller than the sum of its proper divisors (295200016276).

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

221103031404 is a wasteful number, since it uses less digits than its factorization.

221103031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141949 (or 14141947 counting only the distinct ones).

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

Adding to 221103031404 its reverse (404130301122), we get a palindrome (625233332526).

The spelling of 221103031404 in words is "two hundred twenty-one billion, one hundred three million, thirty-one thousand, four hundred four".