2042021122 has 8 divisors (see below), whose sum is σ = 3070671372. Its totient is φ = 1018464000.

The previous prime is 2042021053. The next prime is 2042021123. The reversal of 2042021122 is 2211202402.

It can be written as a sum of positive squares in 2 ways, for example, as 1439367721 + 602653401 = 37939^2 + 24549^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2042021096 and 2042021105.

It is not an unprimeable number, because it can be changed into a prime (2042021123) 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, 1272279 + ... + 1273882.

Almost surely, 2^2042021122 is an apocalyptic number.

2042021122 is a deficient number, since it is larger than the sum of its proper divisors (1028650250).

2042021122 is a wasteful number, since it uses less digits than its factorization.

2042021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546564.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2042021122 is about 45188.7278201102. The cubic root of 2042021122 is about 1268.6838457357.

Adding to 2042021122 its reverse (2211202402), we get a palindrome (4253223524).

The spelling of 2042021122 in words is "two billion, forty-two million, twenty-one thousand, one hundred twenty-two".