11001103333020 has 72 divisors (see below), whose sum is σ = 35126329951440. Its totient is φ = 2779226104320.

The previous prime is 11001103333013. The next prime is 11001103333027. The reversal of 11001103333020 is 2033330110011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11001103333013) and next prime (11001103333027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11001103332984 and 11001103333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001103333027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1608345021 + ... + 1608351860.

It is an arithmetic number, because the mean of its divisors is an integer number (487865693770).

Almost surely, 2^{11001103333020} is an apocalyptic number.

11001103333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001103333020 is an abundant number, since it is smaller than the sum of its proper divisors (24125226618420).

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

11001103333020 is a wasteful number, since it uses less digits than its factorization.

11001103333020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216696915 (or 3216696910 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11001103333020 its reverse (2033330110011), we get a palindrome (13034433443031).

The spelling of 11001103333020 in words is "eleven trillion, one billion, one hundred three million, three hundred thirty-three thousand, twenty".