2041012121 has 4 divisors (see below), whose sum is σ = 2041103232. Its totient is φ = 2040921012.

The previous prime is 2041012109. The next prime is 2041012159. The reversal of 2041012121 is 1212101402.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1212101402 = 2 ⋅606050701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041012121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2041012096 and 2041012105.

It is not an unprimeable number, because it can be changed into a prime (2041012921) 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, 14000 + ... + 65406.

It is an arithmetic number, because the mean of its divisors is an integer number (510275808).

Almost surely, 2^2041012121 is an apocalyptic number.

It is an amenable number.

2041012121 is a deficient number, since it is larger than the sum of its proper divisors (91111).

2041012121 is an equidigital number, since it uses as much as digits as its factorization.

2041012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91110.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2041012121 is about 45177.5621409567. The cubic root of 2041012121 is about 1268.4748511349.

Adding to 2041012121 its reverse (1212101402), we get a palindrome (3253113523).

The spelling of 2041012121 in words is "two billion, forty-one million, twelve thousand, one hundred twenty-one".