1200120011110 has 8 divisors (see below), whose sum is σ = 2160216020016. Its totient is φ = 480048004440.

The previous prime is 1200120011081. The next prime is 1200120011117. The reversal of 1200120011110 is 111100210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 120012001111 = 1200120011110 / (1 + 2 + 0 + 0 + 1 + 2 + 0 + 0 + 1 + 1 + 1 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200120011117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60006000546 + ... + 60006000565.

It is an arithmetic number, because the mean of its divisors is an integer number (270027002502).

Almost surely, 2^{1200120011110} is an apocalyptic number.

1200120011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200120011110 is a deficient number, since it is larger than the sum of its proper divisors (960096008906).

1200120011110 is a wasteful number, since it uses less digits than its factorization.

1200120011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120012001118.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200120011110 its reverse (111100210021), we get a palindrome (1311220221131).

The spelling of 1200120011110 in words is "one trillion, two hundred billion, one hundred twenty million, eleven thousand, one hundred ten".