11013020100 has 54 divisors (see below), whose sum is σ = 34519702490. Its totient is φ = 2936805120.

The previous prime is 11013020059. The next prime is 11013020113. The reversal of 11013020100 is 102031011.

It can be written as a sum of positive squares in 3 ways, for example, as 1643167296 + 9369852804 = 40536^2 + 96798^2 .

It is a super-2 number, since 2×11013020100² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6117445 + ... + 6119244.

Almost surely, 2^11013020100 is an apocalyptic number.

11013020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013020100 is an abundant number, since it is smaller than the sum of its proper divisors (23506682390).

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

11013020100 is a wasteful number, since it uses less digits than its factorization.

11013020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12236709 (or 12236699 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11013020100 its reverse (102031011), we get a palindrome (11115051111).

The spelling of 11013020100 in words is "eleven billion, thirteen million, twenty thousand, one hundred".