1200111022113 has 4 divisors (see below), whose sum is σ = 1600148029488. Its totient is φ = 800074014740.

The previous prime is 1200111022009. The next prime is 1200111022129. The reversal of 1200111022113 is 3112201110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200111022113 - 2¹⁰ = 1200111021089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200111022092 and 1200111022101.

It is not an unprimeable number, because it can be changed into a prime (1200111022183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200018503683 + ... + 200018503688.

It is an arithmetic number, because the mean of its divisors is an integer number (400037007372).

Almost surely, 2^{1200111022113} is an apocalyptic number.

It is an amenable number.

1200111022113 is a deficient number, since it is larger than the sum of its proper divisors (400037007375).

1200111022113 is an equidigital number, since it uses as much as digits as its factorization.

1200111022113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400037007374.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1200111022113 its reverse (3112201110021), we get a palindrome (4312312132134).

The spelling of 1200111022113 in words is "one trillion, two hundred billion, one hundred eleven million, twenty-two thousand, one hundred thirteen".