11020211616 has 24 divisors (see below), whose sum is σ = 28928055744. Its totient is φ = 3673403840.

The previous prime is 11020211611. The next prime is 11020211617. The reversal of 11020211616 is 61611202011.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×11020211616² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11020211592 and 11020211601.

It is not an unprimeable number, because it can be changed into a prime (11020211611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57396840 + ... + 57397031.

It is an arithmetic number, because the mean of its divisors is an integer number (1205335656).

Almost surely, 2^11020211616 is an apocalyptic number.

11020211616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11020211616 is an abundant number, since it is smaller than the sum of its proper divisors (17907844128).

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

11020211616 is a wasteful number, since it uses less digits than its factorization.

11020211616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114793884 (or 114793876 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11020211616 its reverse (61611202011), we get a palindrome (72631413627).

The spelling of 11020211616 in words is "eleven billion, twenty million, two hundred eleven thousand, six hundred sixteen".