10212402511 has 4 divisors (see below), whose sum is σ = 10749897400. Its totient is φ = 9674907624.

The previous prime is 10212402481. The next prime is 10212402527. The reversal of 10212402511 is 11520421201.

10212402511 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11520421201 = 409 ⋅28167289.

It is a cyclic number.

It is not a de Polignac number, because 10212402511 - 2⁷ = 10212402383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 537494869 = 10212402511 / (1 + 0 + 2 + 1 + 2 + 4 + 0 + 2 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212402581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268747416 + ... + 268747453.

It is an arithmetic number, because the mean of its divisors is an integer number (2687474350).

Almost surely, 2^10212402511 is an apocalyptic number.

10212402511 is a deficient number, since it is larger than the sum of its proper divisors (537494889).

10212402511 is an equidigital number, since it uses as much as digits as its factorization.

10212402511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537494888.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10212402511 its reverse (11520421201), we get a palindrome (21732823712).

The spelling of 10212402511 in words is "ten billion, two hundred twelve million, four hundred two thousand, five hundred eleven".