1200002111102 has 8 divisors (see below), whose sum is σ = 1800222463200. Its totient is φ = 599927956704.

The previous prime is 1200002111101. The next prime is 1200002111111. The reversal of 1200002111102 is 2011112000021.

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 (1200002111101) by changing a digit.

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, 36528902 + ... + 36561737.

It is an arithmetic number, because the mean of its divisors is an integer number (225027807900).

Almost surely, 2^{1200002111102} is an apocalyptic number.

1200002111102 is a deficient number, since it is larger than the sum of its proper divisors (600220352098).

1200002111102 is an equidigital number, since it uses as much as digits as its factorization.

1200002111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73098850.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200002111102 its reverse (2011112000021), we get a palindrome (3211114111123).

The spelling of 1200002111102 in words is "one trillion, two hundred billion, two million, one hundred eleven thousand, one hundred two".