1200030031101 has 16 divisors (see below), whose sum is σ = 1759242313728. Its totient is φ = 721564225200.

The previous prime is 1200030031069. The next prime is 1200030031153. The reversal of 1200030031101 is 1011300300021.

It is not a de Polignac number, because 1200030031101 - 2⁵ = 1200030031069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200030131101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143163315 + ... + 143171696.

It is an arithmetic number, because the mean of its divisors is an integer number (109952644608).

Almost surely, 2^{1200030031101} is an apocalyptic number.

1200030031101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200030031101 is a deficient number, since it is larger than the sum of its proper divisors (559212282627).

1200030031101 is a wasteful number, since it uses less digits than its factorization.

1200030031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286335152.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1200030031101 its reverse (1011300300021), we get a palindrome (2211330331122).

The spelling of 1200030031101 in words is "one trillion, two hundred billion, thirty million, thirty-one thousand, one hundred one".