2021150042 has 16 divisors (see below), whose sum is σ = 3236241600. Its totient is φ = 943901280.

The previous prime is 2021150017. The next prime is 2021150081. The reversal of 2021150042 is 2400511202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021150042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371867 + ... + 377262.

It is an arithmetic number, because the mean of its divisors is an integer number (202265100).

Almost surely, 2^2021150042 is an apocalyptic number.

2021150042 is a deficient number, since it is larger than the sum of its proper divisors (1215091558).

2021150042 is a wasteful number, since it uses less digits than its factorization.

2021150042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749221.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2021150042 is about 44957.2023373341. The cubic root of 2021150042 is about 1264.3467163786.

Adding to 2021150042 its reverse (2400511202), we get a palindrome (4421661244).

The spelling of 2021150042 in words is "two billion, twenty-one million, one hundred fifty thousand, forty-two".