1200102222111 has 64 divisors (see below), whose sum is σ = 1789271769600. Its totient is φ = 710899789824.

The previous prime is 1200102222107. The next prime is 1200102222127. The reversal of 1200102222111 is 1112222010021.

It is not a de Polignac number, because 1200102222111 - 2² = 1200102222107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102222101) 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 63 ways as a sum of consecutive naturals, for example, 21553275 + ... + 21608883.

It is an arithmetic number, because the mean of its divisors is an integer number (27957371400).

Almost surely, 2^{1200102222111} is an apocalyptic number.

1200102222111 is a deficient number, since it is larger than the sum of its proper divisors (589169547489).

1200102222111 is a wasteful number, since it uses less digits than its factorization.

1200102222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55880.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200102222111 its reverse (1112222010021), we get a palindrome (2312324232132).

The spelling of 1200102222111 in words is "one trillion, two hundred billion, one hundred two million, two hundred twenty-two thousand, one hundred eleven".