1014101521 has 2 divisors, whose sum is σ = 1014101522. Its totient is φ = 1014101520.

The previous prime is 1014101519. The next prime is 1014101593. The reversal of 1014101521 is 1251014101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814303296 + 199798225 = 28536^2 + 14135^2 .

It is an emirp because it is prime and its reverse (1251014101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1014101521 - 2¹ = 1014101519 is a prime.

Together with 1014101519, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1014101495 and 1014101504.

It is not a weakly prime, because it can be changed into another prime (1014101021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507050760 + 507050761.

It is an arithmetic number, because the mean of its divisors is an integer number (507050761).

Almost surely, 2^1014101521 is an apocalyptic number.

It is an amenable number.

1014101521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014101521 is an equidigital number, since it uses as much as digits as its factorization.

1014101521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1014101521 is about 31844.9606845416. The cubic root of 1014101521 is about 1004.6785837177.

Adding to 1014101521 its reverse (1251014101), we get a palindrome (2265115622).

The spelling of 1014101521 in words is "one billion, fourteen million, one hundred one thousand, five hundred twenty-one".