2141021234320 has 40 divisors (see below), whose sum is σ = 4980057115320. Its totient is φ = 856032967680.

The previous prime is 2141021234281. The next prime is 2141021234329. The reversal of 2141021234320 is 234321201412.

It can be written as a sum of positive squares in 4 ways, for example, as 527267681424 + 1613753552896 = 726132^2 + 1270336^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2141021234329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5683975 + ... + 6048934.

It is an arithmetic number, because the mean of its divisors is an integer number (124501427883).

Almost surely, 2^{2141021234320} is an apocalyptic number.

2141021234320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141021234320 is an abundant number, since it is smaller than the sum of its proper divisors (2839035881000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141021234320 is a wasteful number, since it uses less digits than its factorization.

2141021234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11735203 (or 11735197 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2141021234320 its reverse (234321201412), we get a palindrome (2375342435732).

The spelling of 2141021234320 in words is "two trillion, one hundred forty-one billion, twenty-one million, two hundred thirty-four thousand, three hundred twenty".