11010011021020 has 72 divisors (see below), whose sum is σ = 25416591544512. Its totient is φ = 4003234815360.

The previous prime is 11010011021017. The next prime is 11010011021029. The reversal of 11010011021020 is 2012011001011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11010011020988 and 11010011021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010011021029) 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, 24199677 + ... + 24650443.

It is an arithmetic number, because the mean of its divisors is an integer number (353008215896).

Almost surely, 2^{11010011021020} is an apocalyptic number.

11010011021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010011021020 is an abundant number, since it is smaller than the sum of its proper divisors (14406580523492).

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

11010011021020 is a wasteful number, since it uses less digits than its factorization.

11010011021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460891 (or 460878 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11010011021020 its reverse (2012011001011), we get a palindrome (13022022022031).

The spelling of 11010011021020 in words is "eleven trillion, ten billion, eleven million, twenty-one thousand, twenty".