2120242141 has 4 divisors (see below), whose sum is σ = 2123679132. Its totient is φ = 2116805152.

The previous prime is 2120242133. The next prime is 2120242147. The reversal of 2120242141 is 1412420212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1060479225 + 1059762916 = 32565^2 + 32554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120242141 - 2³ = 2120242133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120242147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717570 + ... + 1718803.

It is an arithmetic number, because the mean of its divisors is an integer number (530919783).

Almost surely, 2^2120242141 is an apocalyptic number.

It is an amenable number.

2120242141 is a deficient number, since it is larger than the sum of its proper divisors (3436991).

2120242141 is an equidigital number, since it uses as much as digits as its factorization.

2120242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436990.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2120242141 is about 46046.0871410373. The cubic root of 2120242141 is about 1284.6805649691.

Adding to 2120242141 its reverse (1412420212), we get a palindrome (3532662353).

The spelling of 2120242141 in words is "two billion, one hundred twenty million, two hundred forty-two thousand, one hundred forty-one".