10211111140 has 12 divisors (see below), whose sum is σ = 21443333436. Its totient is φ = 4084444448.

The previous prime is 10211111117. The next prime is 10211111153. The reversal of 10211111140 is 4111111201.

It can be written as a sum of positive squares in 2 ways, for example, as 5828406336 + 4382704804 = 76344^2 + 66202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10211111140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255277759 + ... + 255277798.

It is an arithmetic number, because the mean of its divisors is an integer number (1786944453).

Almost surely, 2^10211111140 is an apocalyptic number.

10211111140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211111140 is an abundant number, since it is smaller than the sum of its proper divisors (11232222296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211111140 is a wasteful number, since it uses less digits than its factorization.

10211111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510555566 (or 510555564 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211111140 its reverse (4111111201), we get a palindrome (14322222341).

The spelling of 10211111140 in words is "ten billion, two hundred eleven million, one hundred eleven thousand, one hundred forty".