2121403441011 has 8 divisors (see below), whose sum is σ = 2828909785344. Its totient is φ = 1414083028680.

The previous prime is 2121403440979. The next prime is 2121403441111. The reversal of 2121403441011 is 1101443041212.

It is a happy number.

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

It is not a de Polignac number, because 2121403441011 - 2⁵ = 2121403440979 is a prime.

It is a super-2 number, since 2×2121403441011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121403441111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46456375 + ... + 46502016.

It is an arithmetic number, because the mean of its divisors is an integer number (353613723168).

Almost surely, 2^{2121403441011} is an apocalyptic number.

2121403441011 is a deficient number, since it is larger than the sum of its proper divisors (707506344333).

2121403441011 is an equidigital number, since it uses as much as digits as its factorization.

2121403441011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92966001.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2121403441011 its reverse (1101443041212), we get a palindrome (3222846482223).

The spelling of 2121403441011 in words is "two trillion, one hundred twenty-one billion, four hundred three million, four hundred forty-one thousand, eleven".