1200221021102 has 4 divisors (see below), whose sum is σ = 1800331531656. Its totient is φ = 600110510550.

The previous prime is 1200221021099. The next prime is 1200221021141. The reversal of 1200221021102 is 2011201220021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300055255274 + ... + 300055255277.

It is an arithmetic number, because the mean of its divisors is an integer number (450082882914).

Almost surely, 2^{1200221021102} is an apocalyptic number.

1200221021102 is a deficient number, since it is larger than the sum of its proper divisors (600110510554).

1200221021102 is an equidigital number, since it uses as much as digits as its factorization.

1200221021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600110510553.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200221021102 its reverse (2011201220021), we get a palindrome (3211422241123).

The spelling of 1200221021102 in words is "one trillion, two hundred billion, two hundred twenty-one million, twenty-one thousand, one hundred two".