10021221230 has 32 divisors (see below), whose sum is σ = 18657632448. Its totient is φ = 3872736000.

The previous prime is 10021221191. The next prime is 10021221239. The reversal of 10021221230 is 3212212001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021221239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76421 + ... + 160880.

It is an arithmetic number, because the mean of its divisors is an integer number (583051014).

Almost surely, 2^10021221230 is an apocalyptic number.

10021221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021221230 is a deficient number, since it is larger than the sum of its proper divisors (8636411218).

10021221230 is a wasteful number, since it uses less digits than its factorization.

10021221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237452.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10021221230 its reverse (3212212001), we get a palindrome (13233433231).

The spelling of 10021221230 in words is "ten billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty".