1221102102230 has 8 divisors (see below), whose sum is σ = 2197983784032. Its totient is φ = 488440840888.

The previous prime is 1221102102221. The next prime is 1221102102343. The reversal of 1221102102230 is 322012011221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1221102102199 and 1221102102208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61055105102 + ... + 61055105121.

It is an arithmetic number, because the mean of its divisors is an integer number (274747973004).

Almost surely, 2^{1221102102230} is an apocalyptic number.

1221102102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221102102230 is a deficient number, since it is larger than the sum of its proper divisors (976881681802).

1221102102230 is a wasteful number, since it uses less digits than its factorization.

1221102102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122110210230.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1221102102230 its reverse (322012011221), we get a palindrome (1543114113451).

The spelling of 1221102102230 in words is "one trillion, two hundred twenty-one billion, one hundred two million, one hundred two thousand, two hundred thirty".