11020102002100 has 18 divisors (see below), whose sum is σ = 23913621344774. Its totient is φ = 4408040800800.

The previous prime is 11020102002073. The next prime is 11020102002139. The reversal of 11020102002100 is 120020102011.

It can be written as a sum of positive squares in 3 ways, for example, as 68595800464 + 10951506201636 = 261908^2 + 3309306^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55100509911 + ... + 55100510110.

Almost surely, 2^{11020102002100} is an apocalyptic number.

11020102002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020102002100 is an abundant number, since it is smaller than the sum of its proper divisors (12893519342674).

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

11020102002100 is a wasteful number, since it uses less digits than its factorization.

11020102002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110201020035 (or 110201020028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11020102002100 its reverse (120020102011), we get a palindrome (11140122104111).

The spelling of 11020102002100 in words is "eleven trillion, twenty billion, one hundred two million, two thousand, one hundred".