1030221120 has 56 divisors (see below), whose sum is σ = 3270955104. Its totient is φ = 274725376.

The previous prime is 1030221119. The next prime is 1030221121. The reversal of 1030221120 is 211220301.

It is an interprime number because it is at equal distance from previous prime (1030221119) and next prime (1030221121).

It is a super-2 number, since 2×1030221120² = 2122711112188108800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1030221096 and 1030221105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535614 + ... + 537533.

Almost surely, 2^1030221120 is an apocalyptic number.

1030221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030221120 is an abundant number, since it is smaller than the sum of its proper divisors (2240733984).

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

1030221120 is a wasteful number, since it uses less digits than its factorization.

1030221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073167 (or 1073157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1030221120 is about 32097.0578090890. The cubic root of 1030221120 is about 1009.9738973093.

Adding to 1030221120 its reverse (211220301), we get a palindrome (1241441421).

The spelling of 1030221120 in words is "one billion, thirty million, two hundred twenty-one thousand, one hundred twenty".