1200001211102 has 16 divisors (see below), whose sum is σ = 1875156922800. Its totient is φ = 575444976960.

The previous prime is 1200001211089. The next prime is 1200001211113. The reversal of 1200001211102 is 2011121000021.

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 7 ways as a sum of consecutive naturals, for example, 124013477 + ... + 124023152.

It is an arithmetic number, because the mean of its divisors is an integer number (117197307675).

Almost surely, 2^{1200001211102} is an apocalyptic number.

1200001211102 is a deficient number, since it is larger than the sum of its proper divisors (675155711698).

1200001211102 is a wasteful number, since it uses less digits than its factorization.

1200001211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248036731.

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

Adding to 1200001211102 its reverse (2011121000021), we get a palindrome (3211122211123).

The spelling of 1200001211102 in words is "one trillion, two hundred billion, one million, two hundred eleven thousand, one hundred two".