2040231121 has 2 divisors, whose sum is σ = 2040231122. Its totient is φ = 2040231120.

The previous prime is 2040231101. The next prime is 2040231139. The reversal of 2040231121 is 1211320402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622478400 + 417752721 = 40280^2 + 20439^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040231121 - 2¹³ = 2040222929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040231095 and 2040231104.

It is not a weakly prime, because it can be changed into another prime (2040231101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020115560 + 1020115561.

It is an arithmetic number, because the mean of its divisors is an integer number (1020115561).

Almost surely, 2^2040231121 is an apocalyptic number.

It is an amenable number.

2040231121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040231121 is an equidigital number, since it uses as much as digits as its factorization.

2040231121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2040231121 is about 45168.9176425559. The cubic root of 2040231121 is about 1268.3130351356.

Adding to 2040231121 its reverse (1211320402), we get a palindrome (3251551523).

The spelling of 2040231121 in words is "two billion, forty million, two hundred thirty-one thousand, one hundred twenty-one".