2098251121 has 2 divisors, whose sum is σ = 2098251122. Its totient is φ = 2098251120.

The previous prime is 2098251059. The next prime is 2098251157. The reversal of 2098251121 is 1211528902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524121600 + 574129521 = 39040^2 + 23961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2098251121 is a prime.

It is a super-3 number, since 3×2098251121³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2098251721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049125560 + 1049125561.

It is an arithmetic number, because the mean of its divisors is an integer number (1049125561).

Almost surely, 2^2098251121 is an apocalyptic number.

It is an amenable number.

2098251121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098251121 is an equidigital number, since it uses as much as digits as its factorization.

2098251121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 2098251121 is about 45806.6711407847. The cubic root of 2098251121 is about 1280.2235776853.

The spelling of 2098251121 in words is "two billion, ninety-eight million, two hundred fifty-one thousand, one hundred twenty-one".