10211127530 has 16 divisors (see below), whose sum is σ = 18586548360. Its totient is φ = 4038557952.

The previous prime is 10211127529. The next prime is 10211127547. The reversal of 10211127530 is 3572111201.

It can be written as a sum of positive squares in 4 ways, for example, as 7771656649 + 2439470881 = 88157^2 + 49391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211127496 and 10211127505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735699 + ... + 5737478.

Almost surely, 2^10211127530 is an apocalyptic number.

10211127530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211127530 is a deficient number, since it is larger than the sum of its proper divisors (8375420830).

10211127530 is a wasteful number, since it uses less digits than its factorization.

10211127530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473273.

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 10211127530 its reverse (3572111201), we get a palindrome (13783238731).

The spelling of 10211127530 in words is "ten billion, two hundred eleven million, one hundred twenty-seven thousand, five hundred thirty".