1000221110 has 16 divisors (see below), whose sum is σ = 2057597856. Its totient is φ = 342932928.

The previous prime is 1000221109. The next prime is 1000221137. The reversal of 1000221110 is 111220001.

It is a Curzon number.

It is a congruent number.

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, 7144367 + ... + 7144506.

It is an arithmetic number, because the mean of its divisors is an integer number (128599866).

Almost surely, 2^1000221110 is an apocalyptic number.

1000221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000221110 is an abundant number, since it is smaller than the sum of its proper divisors (1057376746).

1000221110 is a wasteful number, since it uses less digits than its factorization.

1000221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288887.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1000221110 is about 31626.2724645191. The cubic root of 1000221110 is about 1000.0736979018.

Adding to 1000221110 its reverse (111220001), we get a palindrome (1111441111).

The spelling of 1000221110 in words is "one billion, two hundred twenty-one thousand, one hundred ten".