1220021103230 has 16 divisors (see below), whose sum is σ = 2197644475680. Its totient is φ = 487651443552.

The previous prime is 1220021103157. The next prime is 1220021103251. The reversal of 1220021103230 is 323011200221.

It is a junction number, because it is equal to n+sod(n) for n = 1220021103199 and 1220021103208.

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, 44610365 + ... + 44637704.

It is an arithmetic number, because the mean of its divisors is an integer number (137352779730).

Almost surely, 2^{1220021103230} is an apocalyptic number.

1220021103230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220021103230 is a deficient number, since it is larger than the sum of its proper divisors (977623372450).

1220021103230 is a wasteful number, since it uses less digits than its factorization.

1220021103230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89249443.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220021103230 its reverse (323011200221), we get a palindrome (1543032303451).

The spelling of 1220021103230 in words is "one trillion, two hundred twenty billion, twenty-one million, one hundred three thousand, two hundred thirty".