2553211121 has 2 divisors, whose sum is σ = 2553211122. Its totient is φ = 2553211120.

The previous prime is 2553211109. The next prime is 2553211183. The reversal of 2553211121 is 1211123552.

2553211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2516426896 + 36784225 = 50164^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553211121 - 2²² = 2549016817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553211021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276605560 + 1276605561.

It is an arithmetic number, because the mean of its divisors is an integer number (1276605561).

Almost surely, 2^2553211121 is an apocalyptic number.

It is an amenable number.

2553211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553211121 is an equidigital number, since it uses as much as digits as its factorization.

2553211121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 2553211121 is about 50529.3095242751. The cubic root of 2553211121 is about 1366.7704347609.

Adding to 2553211121 its reverse (1211123552), we get a palindrome (3764334673).

The spelling of 2553211121 in words is "two billion, five hundred fifty-three million, two hundred eleven thousand, one hundred twenty-one".