2120140101243 has 4 divisors (see below), whose sum is σ = 2826853468328. Its totient is φ = 1413426734160.

The previous prime is 2120140101227. The next prime is 2120140101259. The reversal of 2120140101243 is 3421010410212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2120140101227) and next prime (2120140101259).

It is not a de Polignac number, because 2120140101243 - 2⁴ = 2120140101227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120140101263) 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 3 ways as a sum of consecutive naturals, for example, 353356683538 + ... + 353356683543.

It is an arithmetic number, because the mean of its divisors is an integer number (706713367082).

Almost surely, 2^{2120140101243} is an apocalyptic number.

2120140101243 is a deficient number, since it is larger than the sum of its proper divisors (706713367085).

2120140101243 is an equidigital number, since it uses as much as digits as its factorization.

2120140101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706713367084.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2120140101243 its reverse (3421010410212), we get a palindrome (5541150511455).

The spelling of 2120140101243 in words is "two trillion, one hundred twenty billion, one hundred forty million, one hundred one thousand, two hundred forty-three".