2001121883 has 2 divisors, whose sum is σ = 2001121884. Its totient is φ = 2001121882.

The previous prime is 2001121861. The next prime is 2001121909. The reversal of 2001121883 is 3881211002.

It is an a-pointer prime, because the next prime (2001121909) can be obtained adding 2001121883 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001121883 - 2⁸ = 2001121627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001121483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000560941 + 1000560942.

It is an arithmetic number, because the mean of its divisors is an integer number (1000560942).

Almost surely, 2^2001121883 is an apocalyptic number.

2001121883 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001121883 is an equidigital number, since it uses as much as digits as its factorization.

2001121883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 2001121883 is about 44733.9008247660. The cubic root of 2001121883 is about 1260.1565865275.

Adding to 2001121883 its reverse (3881211002), we get a palindrome (5882332885).

The spelling of 2001121883 in words is "two billion, one million, one hundred twenty-one thousand, eight hundred eighty-three".