2011400321 has 8 divisors (see below), whose sum is σ = 2307044160. Its totient is φ = 1717831728.

The previous prime is 2011400309. The next prime is 2011400323. The reversal of 2011400321 is 1230041102.

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 2011400321 - 2⁶ = 2011400257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011400296 and 2011400305.

It is not an unprimeable number, because it can be changed into a prime (2011400323) 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, 516731 + ... + 520608.

It is an arithmetic number, because the mean of its divisors is an integer number (288380520).

Almost surely, 2^2011400321 is an apocalyptic number.

It is an amenable number.

2011400321 is a deficient number, since it is larger than the sum of its proper divisors (295643839).

2011400321 is a wasteful number, since it uses less digits than its factorization.

2011400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037623.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011400321 is about 44848.6378945894. The cubic root of 2011400321 is about 1262.3104330740.

Adding to 2011400321 its reverse (1230041102), we get a palindrome (3241441423).

The spelling of 2011400321 in words is "two billion, eleven million, four hundred thousand, three hundred twenty-one".