1201140311011 has 8 divisors (see below), whose sum is σ = 1203182527680. Its totient is φ = 1199099128128.

The previous prime is 1201140310991. The next prime is 1201140311017. The reversal of 1201140311011 is 1101130411021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201140311011 - 2²¹ = 1201138213859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201140311017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085325 + ... + 2598241.

It is an arithmetic number, because the mean of its divisors is an integer number (150397815960).

Almost surely, 2^{1201140311011} is an apocalyptic number.

1201140311011 is a deficient number, since it is larger than the sum of its proper divisors (2042216669).

1201140311011 is an equidigital number, since it uses as much as digits as its factorization.

1201140311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516893.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1201140311011 its reverse (1101130411021), we get a palindrome (2302270722032).

It can be divided in two parts, 1201140 and 311011, that added together give a palindrome (1512151).

The spelling of 1201140311011 in words is "one trillion, two hundred one billion, one hundred forty million, three hundred eleven thousand, eleven".