221110404030 has 24 divisors (see below), whose sum is σ = 574887050712. Its totient is φ = 58962774384.

The previous prime is 221110404029. The next prime is 221110404041. The reversal of 221110404030 is 30404011122.

221110404030 is a `hidden beast` number, since 2 + 211 + 10 + 40 + 403 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221110403994 and 221110404012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228391044 + ... + 1228391223.

It is an arithmetic number, because the mean of its divisors is an integer number (23953627113).

Almost surely, 2^221110404030 is an apocalyptic number.

221110404030 is an abundant number, since it is smaller than the sum of its proper divisors (353776646682).

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

221110404030 is a wasteful number, since it uses less digits than its factorization.

221110404030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456782280 (or 2456782277 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221110404030 its reverse (30404011122), we get a palindrome (251514415152).

The spelling of 221110404030 in words is "two hundred twenty-one billion, one hundred ten million, four hundred four thousand, thirty".