1020221110 has 8 divisors (see below), whose sum is σ = 1836398016. Its totient is φ = 408088440.

The previous prime is 1020221101. The next prime is 1020221113. The reversal of 1020221110 is 111220201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1020221110² = 2081702226579264200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 102022111 = 1020221110 / (1 + 0 + 2 + 0 + 2 + 2 + 1 + 1 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51011046 + ... + 51011065.

It is an arithmetic number, because the mean of its divisors is an integer number (229549752).

Almost surely, 2^1020221110 is an apocalyptic number.

1020221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221110 is a deficient number, since it is larger than the sum of its proper divisors (816176906).

1020221110 is a wasteful number, since it uses less digits than its factorization.

1020221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102022118.

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

The square root of 1020221110 is about 31940.9002690907. The cubic root of 1020221110 is about 1006.6954410197.

Adding to 1020221110 its reverse (111220201), we get a palindrome (1131441311).

Subtracting from 1020221110 its reverse (111220201), we obtain a palindrome (909000909).

The spelling of 1020221110 in words is "one billion, twenty million, two hundred twenty-one thousand, one hundred ten".