10001221030 has 16 divisors (see below), whose sum is σ = 18204471360. Its totient is φ = 3955538752.

The previous prime is 10001221019. The next prime is 10001221081. The reversal of 10001221030 is 3012210001.

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

It is a junction number, because it is equal to n+sod(n) for n = 10001220998 and 10001221016.

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, 5617774 + ... + 5619553.

It is an arithmetic number, because the mean of its divisors is an integer number (1137779460).

Almost surely, 2^10001221030 is an apocalyptic number.

10001221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001221030 is a deficient number, since it is larger than the sum of its proper divisors (8203250330).

10001221030 is a wasteful number, since it uses less digits than its factorization.

10001221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11237423.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10001221030 its reverse (3012210001), we get a palindrome (13013431031).

The spelling of 10001221030 in words is "ten billion, one million, two hundred twenty-one thousand, thirty".