2102061121 has 2 divisors, whose sum is σ = 2102061122. Its totient is φ = 2102061120.

The previous prime is 2102061107. The next prime is 2102061127. The reversal of 2102061121 is 1211602012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610818225 + 491242896 = 40135^2 + 22164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102061121 - 2⁵ = 2102061089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102061095 and 2102061104.

It is not a weakly prime, because it can be changed into another prime (2102061127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051030560 + 1051030561.

It is an arithmetic number, because the mean of its divisors is an integer number (1051030561).

Almost surely, 2^2102061121 is an apocalyptic number.

It is an amenable number.

2102061121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102061121 is an equidigital number, since it uses as much as digits as its factorization.

2102061121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2102061121 is about 45848.2401079911. The cubic root of 2102061121 is about 1280.9979849175.

Adding to 2102061121 its reverse (1211602012), we get a palindrome (3313663133).

The spelling of 2102061121 in words is "two billion, one hundred two million, sixty-one thousand, one hundred twenty-one".