11101110021020 has 24 divisors (see below), whose sum is σ = 23313187593024. Its totient is φ = 4440280856256.

The previous prime is 11101110021013. The next prime is 11101110021037. The reversal of 11101110021020 is 2012001110111.

It is a junction number, because it is equal to n+sod(n) for n = 11101110020992 and 11101110021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9638324 + ... + 10728443.

It is an arithmetic number, because the mean of its divisors is an integer number (971382816376).

Almost surely, 2^{11101110021020} is an apocalyptic number.

11101110021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101110021020 is an abundant number, since it is smaller than the sum of its proper divisors (12212077572004).

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

11101110021020 is a wasteful number, since it uses less digits than its factorization.

11101110021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20394029 (or 20394027 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11101110021020 its reverse (2012001110111), we get a palindrome (13113111131131).

The spelling of 11101110021020 in words is "eleven trillion, one hundred one billion, one hundred ten million, twenty-one thousand, twenty".