2221001110 has 32 divisors (see below), whose sum is σ = 4053932064. Its totient is φ = 876000000.

The previous prime is 2221001099. The next prime is 2221001131. The reversal of 2221001110 is 111001222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249130 + ... + 257890.

It is an arithmetic number, because the mean of its divisors is an integer number (126685377).

Almost surely, 2^2221001110 is an apocalyptic number.

2221001110 is a deficient number, since it is larger than the sum of its proper divisors (1832930954).

2221001110 is a wasteful number, since it uses less digits than its factorization.

2221001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2221001110 is about 47127.4984483582. The cubic root of 2221001110 is about 1304.7168119586.

Adding to 2221001110 its reverse (111001222), we get a palindrome (2332002332).

The spelling of 2221001110 in words is "two billion, two hundred twenty-one million, one thousand, one hundred ten".