11002020102 has 32 divisors (see below), whose sum is σ = 24465934560. Its totient is φ = 3664789920.

The previous prime is 11002019983. The next prime is 11002020131. The reversal of 11002020102 is 20102020011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8352 + ... + 148572.

It is an arithmetic number, because the mean of its divisors is an integer number (764560455).

Almost surely, 2^11002020102 is an apocalyptic number.

11002020102 is an abundant number, since it is smaller than the sum of its proper divisors (13463914458).

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

11002020102 is a wasteful number, since it uses less digits than its factorization.

11002020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141685 (or 141679 counting only the distinct ones).

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

Adding to 11002020102 its reverse (20102020011), we get a palindrome (31104040113).

Subtracting 11002020102 from its reverse (20102020011), we obtain a palindrome (9099999909).

It can be divided in two parts, 1100 and 2020102, that added together give a palindrome (2021202).

The spelling of 11002020102 in words is "eleven billion, two million, twenty thousand, one hundred two".