1200110120111 has 32 divisors (see below), whose sum is σ = 1451857870848. Its totient is φ = 970228717920.

The previous prime is 1200110120101. The next prime is 1200110120129. The reversal of 1200110120111 is 1110210110021.

It is not a de Polignac number, because 1200110120111 - 2⁶ = 1200110120047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200110120092 and 1200110120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110120101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4181360 + ... + 4459146.

It is an arithmetic number, because the mean of its divisors is an integer number (45370558464).

Almost surely, 2^{1200110120111} is an apocalyptic number.

1200110120111 is a deficient number, since it is larger than the sum of its proper divisors (251747750737).

1200110120111 is a wasteful number, since it uses less digits than its factorization.

1200110120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278331.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1200110120111 its reverse (1110210110021), we get a palindrome (2310320230132).

The spelling of 1200110120111 in words is "one trillion, two hundred billion, one hundred ten million, one hundred twenty thousand, one hundred eleven".