11010111020020 has 48 divisors (see below), whose sum is σ = 26424495111168. Its totient is φ = 3774862540800.

The previous prime is 11010111019991. The next prime is 11010111020057. The reversal of 11010111020020 is 2002011101011.

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 = 11010111019979 and 11010111020006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20390644 + ... + 20923636.

It is an arithmetic number, because the mean of its divisors is an integer number (550510314816).

Almost surely, 2^{11010111020020} is an apocalyptic number.

11010111020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010111020020 is an abundant number, since it is smaller than the sum of its proper divisors (15414384091148).

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

11010111020020 is a wasteful number, since it uses less digits than its factorization.

11010111020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680560 (or 680558 counting only the distinct ones).

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

Adding to 11010111020020 its reverse (2002011101011), we get a palindrome (13012122121031).

The spelling of 11010111020020 in words is "eleven trillion, ten billion, one hundred eleven million, twenty thousand, twenty".