2011454333421 has 32 divisors (see below), whose sum is σ = 2967900609408. Its totient is φ = 1203714743040.

The previous prime is 2011454333377. The next prime is 2011454333443. The reversal of 2011454333421 is 1243334541102.

It is not a de Polignac number, because 2011454333421 - 2¹⁷ = 2011454202349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011454333321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2310910 + ... + 3059936.

It is an arithmetic number, because the mean of its divisors is an integer number (92746894044).

Almost surely, 2^{2011454333421} is an apocalyptic number.

It is an amenable number.

2011454333421 is a deficient number, since it is larger than the sum of its proper divisors (956446275987).

2011454333421 is a wasteful number, since it uses less digits than its factorization.

2011454333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750941.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2011454333421 its reverse (1243334541102), we get a palindrome (3254788874523).

It can be divided in two parts, 201145 and 4333421, that added together give a triangular number (4534566 = T₃₀₁₁).

The spelling of 2011454333421 in words is "two trillion, eleven billion, four hundred fifty-four million, three hundred thirty-three thousand, four hundred twenty-one".