1051110121 has 2 divisors, whose sum is σ = 1051110122. Its totient is φ = 1051110120.

The previous prime is 1051110083. The next prime is 1051110161. The reversal of 1051110121 is 1210111501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836077225 + 215032896 = 28915^2 + 14664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051110121 - 2⁷ = 1051109993 is a prime.

It is a super-2 number, since 2×1051110121² = 2209664972937269282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051110161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525555060 + 525555061.

It is an arithmetic number, because the mean of its divisors is an integer number (525555061).

Almost surely, 2^1051110121 is an apocalyptic number.

It is an amenable number.

1051110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051110121 is an equidigital number, since it uses as much as digits as its factorization.

1051110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1051110121 is about 32420.8285057615. The cubic root of 1051110121 is about 1016.7544284119.

Adding to 1051110121 its reverse (1210111501), we get a palindrome (2261221622).

The spelling of 1051110121 in words is "one billion, fifty-one million, one hundred ten thousand, one hundred twenty-one".