2055234454121 has 4 divisors (see below), whose sum is σ = 2059731685332. Its totient is φ = 2050737222912.

The previous prime is 2055234454093. The next prime is 2055234454177. The reversal of 2055234454121 is 1214544325502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1865038160896 + 190196293225 = 1365664^2 + 436115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055234454121 - 2³⁰ = 2054160712297 is a prime.

It is a super-2 number, since 2×2055234454121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2055234454321) 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, 2248614920 + ... + 2248615833.

It is an arithmetic number, because the mean of its divisors is an integer number (514932921333).

Almost surely, 2^{2055234454121} is an apocalyptic number.

It is an amenable number.

2055234454121 is a deficient number, since it is larger than the sum of its proper divisors (4497231211).

2055234454121 is an equidigital number, since it uses as much as digits as its factorization.

2055234454121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497231210.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 2055234454121 its reverse (1214544325502), we get a palindrome (3269778779623).

The spelling of 2055234454121 in words is "two trillion, fifty-five billion, two hundred thirty-four million, four hundred fifty-four thousand, one hundred twenty-one".