1200122210011 has 4 divisors (see below), whose sum is σ = 1202586527152. Its totient is φ = 1197657892872.

The previous prime is 1200122209969. The next prime is 1200122210033. The reversal of 1200122210011 is 1100122210021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200122210011 - 2⁷ = 1200122209883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200122209973 and 1200122210000.

It is not an unprimeable number, because it can be changed into a prime (1200122213011) 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, 1232157840 + ... + 1232158813.

It is an arithmetic number, because the mean of its divisors is an integer number (300646631788).

Almost surely, 2^{1200122210011} is an apocalyptic number.

1200122210011 is a deficient number, since it is larger than the sum of its proper divisors (2464317141).

1200122210011 is an equidigital number, since it uses as much as digits as its factorization.

1200122210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464317140.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200122210011 its reverse (1100122210021), we get a palindrome (2300244420032).

The spelling of 1200122210011 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, eleven".