10021121527 has 2 divisors, whose sum is σ = 10021121528. Its totient is φ = 10021121526.

The previous prime is 10021121447. The next prime is 10021121549. The reversal of 10021121527 is 72512112001.

It is an a-pointer prime, because the next prime (10021121549) can be obtained adding 10021121527 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021121527 - 2⁷ = 10021121399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021121498 and 10021121507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021121557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010560763 + 5010560764.

It is an arithmetic number, because the mean of its divisors is an integer number (5010560764).

Almost surely, 2^10021121527 is an apocalyptic number.

10021121527 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021121527 is an equidigital number, since it uses as much as digits as its factorization.

10021121527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 10021121527 its reverse (72512112001), we get a palindrome (82533233528).

The spelling of 10021121527 in words is "ten billion, twenty-one million, one hundred twenty-one thousand, five hundred twenty-seven".