1200220321102 has 8 divisors (see below), whose sum is σ = 1963996889112. Its totient is φ = 545554691400.

The previous prime is 1200220321099. The next prime is 1200220321141. The reversal of 1200220321102 is 2011230220021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27277734549 + ... + 27277734592.

It is an arithmetic number, because the mean of its divisors is an integer number (245499611139).

Almost surely, 2^{1200220321102} is an apocalyptic number.

1200220321102 is a deficient number, since it is larger than the sum of its proper divisors (763776568010).

1200220321102 is a wasteful number, since it uses less digits than its factorization.

1200220321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54555469154.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200220321102 its reverse (2011230220021), we get a palindrome (3211450541123).

The spelling of 1200220321102 in words is "one trillion, two hundred billion, two hundred twenty million, three hundred twenty-one thousand, one hundred two".