1201120010011 has 4 divisors (see below), whose sum is σ = 1201576191912. Its totient is φ = 1200663828112.

The previous prime is 1201120009981. The next prime is 1201120010021. The reversal of 1201120010011 is 1100100211021.

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 1201120010011 - 2¹⁵ = 1201119977243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201120010011.

It is not an unprimeable number, because it can be changed into a prime (1201120010021) 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, 228087001 + ... + 228092266.

It is an arithmetic number, because the mean of its divisors is an integer number (300394047978).

Almost surely, 2^{1201120010011} is an apocalyptic number.

1201120010011 is a deficient number, since it is larger than the sum of its proper divisors (456181901).

1201120010011 is an equidigital number, since it uses as much as digits as its factorization.

1201120010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456181900.

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

Adding to 1201120010011 its reverse (1100100211021), we get a palindrome (2301220221032).

The spelling of 1201120010011 in words is "one trillion, two hundred one billion, one hundred twenty million, ten thousand, eleven".