1200102112011 has 32 divisors (see below), whose sum is σ = 1856019225600. Its totient is φ = 681685921280.

The previous prime is 1200102111973. The next prime is 1200102112051. The reversal of 1200102112011 is 1102112010021.

It is not a de Polignac number, because 1200102112011 - 2¹³ = 1200102103819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200102112051) 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 31 ways as a sum of consecutive naturals, for example, 4341276 + ... + 4609433.

It is an arithmetic number, because the mean of its divisors is an integer number (58000600800).

Almost surely, 2^{1200102112011} is an apocalyptic number.

1200102112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200102112011 is a deficient number, since it is larger than the sum of its proper divisors (655917113589).

1200102112011 is a wasteful number, since it uses less digits than its factorization.

1200102112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950979.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200102112011 its reverse (1102112010021), we get a palindrome (2302214122032).

The spelling of 1200102112011 in words is "one trillion, two hundred billion, one hundred two million, one hundred twelve thousand, eleven".