2021211044042 has 8 divisors (see below), whose sum is σ = 3031955305056. Its totient is φ = 1010559275692.

The previous prime is 2021211043883. The next prime is 2021211044137. The reversal of 2021211044042 is 2404401121202.

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 = 2021211043999 and 2021211044017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23068508 + ... + 23155959.

It is an arithmetic number, because the mean of its divisors is an integer number (378994413132).

Almost surely, 2^{2021211044042} is an apocalyptic number.

2021211044042 is a deficient number, since it is larger than the sum of its proper divisors (1010744261014).

2021211044042 is a wasteful number, since it uses less digits than its factorization.

2021211044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46246332.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2021211044042 its reverse (2404401121202), we get a palindrome (4425612165244).

The spelling of 2021211044042 in words is "two trillion, twenty-one billion, two hundred eleven million, forty-four thousand, forty-two".