1340040100211 has 4 divisors (see below), whose sum is σ = 1343772802800. Its totient is φ = 1336307397624.

The previous prime is 1340040100187. The next prime is 1340040100229. The reversal of 1340040100211 is 1120010400431.

It is a happy number.

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 1340040100211 - 2²² = 1340035905907 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 1340040100211.

It is not an unprimeable number, because it can be changed into a prime (1340040100261) 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, 1866350756 + ... + 1866351473.

It is an arithmetic number, because the mean of its divisors is an integer number (335943200700).

Almost surely, 2^{1340040100211} is an apocalyptic number.

1340040100211 is a deficient number, since it is larger than the sum of its proper divisors (3732702589).

1340040100211 is an equidigital number, since it uses as much as digits as its factorization.

1340040100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732702588.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1340040100211 its reverse (1120010400431), we get a palindrome (2460050500642).

The spelling of 1340040100211 in words is "one trillion, three hundred forty billion, forty million, one hundred thousand, two hundred eleven".