2562111121 has 2 divisors, whose sum is σ = 2562111122. Its totient is φ = 2562111120.

The previous prime is 2562111119. The next prime is 2562111131. The reversal of 2562111121 is 1211112652.

2562111121 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., 1430730625 + 1131380496 = 37825^2 + 33636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2562111121 - 2¹ = 2562111119 is a prime.

Together with 2562111119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2562111092 and 2562111101.

It is not a weakly prime, because it can be changed into another prime (2562111131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281055560 + 1281055561.

It is an arithmetic number, because the mean of its divisors is an integer number (1281055561).

Almost surely, 2^2562111121 is an apocalyptic number.

It is an amenable number.

2562111121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562111121 is an equidigital number, since it uses as much as digits as its factorization.

2562111121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 22.

The square root of 2562111121 is about 50617.3006095742. The cubic root of 2562111121 is about 1368.3566921598.

Adding to 2562111121 its reverse (1211112652), we get a palindrome (3773223773).

The spelling of 2562111121 in words is "two billion, five hundred sixty-two million, one hundred eleven thousand, one hundred twenty-one".