11400212044221 has 512 divisors, whose sum is σ = 22609209950208. Its totient is φ = 4918990602240.

The previous prime is 11400212044219. The next prime is 11400212044223. The reversal of 11400212044221 is 12244021200411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11400212044219) and next prime (11400212044223).

It is not a de Polignac number, because 11400212044221 - 2¹ = 11400212044219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11400212044191 and 11400212044200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400212044223) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 9887433981 + ... + 9887435133.

It is an arithmetic number, because the mean of its divisors is an integer number (44158613184).

Almost surely, 2^{11400212044221} is an apocalyptic number.

11400212044221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11400212044221 is a deficient number, since it is larger than the sum of its proper divisors (11208997905987).

11400212044221 is a wasteful number, since it uses less digits than its factorization.

11400212044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11400212044221 its reverse (12244021200411), we get a palindrome (23644233244632).

The spelling of 11400212044221 in words is "eleven trillion, four hundred billion, two hundred twelve million, forty-four thousand, two hundred twenty-one".