1200221221102 has 8 divisors (see below), whose sum is σ = 1800477892800. Its totient is φ = 600061923504.

The previous prime is 1200221221081. The next prime is 1200221221109. The reversal of 1200221221102 is 2011221220021.

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 not an unprimeable number, because it can be changed into a prime (1200221221109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24312702 + ... + 24362017.

It is an arithmetic number, because the mean of its divisors is an integer number (225059736600).

Almost surely, 2^{1200221221102} is an apocalyptic number.

1200221221102 is a deficient number, since it is larger than the sum of its proper divisors (600256671698).

1200221221102 is a wasteful number, since it uses less digits than its factorization.

1200221221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48687050.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200221221102 its reverse (2011221220021), we get a palindrome (3211442441123).

The spelling of 1200221221102 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".