2041121042 has 4 divisors (see below), whose sum is σ = 3061681566. Its totient is φ = 1020560520.

The previous prime is 2041121041. The next prime is 2041121057. The reversal of 2041121042 is 2401211402.

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

It can be written as a sum of positive squares in only one way, i.e., 1094881921 + 946239121 = 33089^2 + 30761^2 .

It is a super-3 number, since 3×2041121042³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2041121042.

It is not an unprimeable number, because it can be changed into a prime (2041121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510280259 + ... + 510280262.

Almost surely, 2^2041121042 is an apocalyptic number.

2041121042 is a deficient number, since it is larger than the sum of its proper divisors (1020560524).

2041121042 is a wasteful number, since it uses less digits than its factorization.

2041121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020560523.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2041121042 is about 45178.7676016068. The cubic root of 2041121042 is about 1268.4974152817.

Adding to 2041121042 its reverse (2401211402), we get a palindrome (4442332444).

The spelling of 2041121042 in words is "two billion, forty-one million, one hundred twenty-one thousand, forty-two".