11020020102 has 96 divisors (see below), whose sum is σ = 30933477120. Its totient is φ = 2753403840.

The previous prime is 11020020073. The next prime is 11020020103. The reversal of 11020020102 is 20102002011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145924 + ... + 208167.

It is an arithmetic number, because the mean of its divisors is an integer number (322223720).

Almost surely, 2^11020020102 is an apocalyptic number.

11020020102 is an abundant number, since it is smaller than the sum of its proper divisors (19913457018).

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

11020020102 is a wasteful number, since it uses less digits than its factorization.

11020020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354138 (or 354135 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11020020102 its reverse (20102002011), we get a palindrome (31122022113).

The spelling of 11020020102 in words is "eleven billion, twenty million, twenty thousand, one hundred two".