11020111102 has 48 divisors (see below), whose sum is σ = 22316349312. Its totient is φ = 3963267360.

The previous prime is 11020111087. The next prime is 11020111129. The reversal of 11020111102 is 20111102011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185688 + ... + 237739.

It is an arithmetic number, because the mean of its divisors is an integer number (464923944).

Almost surely, 2^11020111102 is an apocalyptic number.

11020111102 is an abundant number, since it is smaller than the sum of its proper divisors (11296238210).

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

11020111102 is a wasteful number, since it uses less digits than its factorization.

11020111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423473 (or 423460 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11020111102 its reverse (20111102011), we get a palindrome (31131213113).

Subtracting 11020111102 from its reverse (20111102011), we obtain a palindrome (9090990909).

The spelling of 11020111102 in words is "eleven billion, twenty million, one hundred eleven thousand, one hundred two".