11010211111988 has 48 divisors (see below), whose sum is σ = 21934615933440. Its totient is φ = 4786779650400.

The previous prime is 11010211111981. The next prime is 11010211111993. The reversal of 11010211111988 is 88911111201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010211111981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18295343 + ... + 18887561.

It is an arithmetic number, because the mean of its divisors is an integer number (456971165280).

Almost surely, 2^{11010211111988} is an apocalyptic number.

It is an amenable number.

11010211111988 is a deficient number, since it is larger than the sum of its proper divisors (10924404821452).

11010211111988 is a wasteful number, since it uses less digits than its factorization.

11010211111988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610628 (or 610626 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 35.

Adding to 11010211111988 its reverse (88911111201011), we get a palindrome (99921322312999).

The spelling of 11010211111988 in words is "eleven trillion, ten billion, two hundred eleven million, one hundred eleven thousand, nine hundred eighty-eight".