2121046041 has 4 divisors (see below), whose sum is σ = 2828061392. Its totient is φ = 1414030692.

The previous prime is 2121046027. The next prime is 2121046043. The reversal of 2121046041 is 1406401212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2121046041 - 2¹⁷ = 2120914969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121045999 and 2121046017.

It is not an unprimeable number, because it can be changed into a prime (2121046043) 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, 353507671 + ... + 353507676.

It is an arithmetic number, because the mean of its divisors is an integer number (707015348).

Almost surely, 2^2121046041 is an apocalyptic number.

It is an amenable number.

2121046041 is a deficient number, since it is larger than the sum of its proper divisors (707015351).

2121046041 is an equidigital number, since it uses as much as digits as its factorization.

2121046041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707015350.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2121046041 is about 46054.8156113994. The cubic root of 2121046041 is about 1284.8429087236.

Adding to 2121046041 its reverse (1406401212), we get a palindrome (3527447253).

The spelling of 2121046041 in words is "two billion, one hundred twenty-one million, forty-six thousand, forty-one".