1114211521 has 2 divisors, whose sum is σ = 1114211522. Its totient is φ = 1114211520.

The previous prime is 1114211507. The next prime is 1114211551. The reversal of 1114211521 is 1251124111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888040000 + 226171521 = 29800^2 + 15039^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114211521 - 2⁵ = 1114211489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1114211551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557105760 + 557105761.

It is an arithmetic number, because the mean of its divisors is an integer number (557105761).

Almost surely, 2^1114211521 is an apocalyptic number.

It is an amenable number.

1114211521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114211521 is an equidigital number, since it uses as much as digits as its factorization.

1114211521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80, while the sum is 19.

The square root of 1114211521 is about 33379.8070845234. The cubic root of 1114211521 is about 1036.7066434246.

Adding to 1114211521 its reverse (1251124111), we get a palindrome (2365335632).

The spelling of 1114211521 in words is "one billion, one hundred fourteen million, two hundred eleven thousand, five hundred twenty-one".