2130021042 has 8 divisors (see below), whose sum is σ = 4260042096. Its totient is φ = 710007012.

The previous prime is 2130021037. The next prime is 2130021043. The reversal of 2130021042 is 2401200312.

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

2130021042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2130021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177501748 + ... + 177501759.

It is an arithmetic number, because the mean of its divisors is an integer number (532505262).

Almost surely, 2^2130021042 is an apocalyptic number.

2130021042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2130021042 is a wasteful number, since it uses less digits than its factorization.

2130021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355003512.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2130021042 is about 46152.1510007930. The cubic root of 2130021042 is about 1286.6525880884.

Adding to 2130021042 its reverse (2401200312), we get a palindrome (4531221354).

The spelling of 2130021042 in words is "two billion, one hundred thirty million, twenty-one thousand, forty-two".