11101002120020 has 24 divisors (see below), whose sum is σ = 23312486026368. Its totient is φ = 4440328167200.

The previous prime is 11101002120007. The next prime is 11101002120031. The reversal of 11101002120020 is 2002120010111.

It is a junction number, because it is equal to n+sod(n) for n = 11101002119983 and 11101002120010.

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, 3281576 + ... + 5742015.

It is an arithmetic number, because the mean of its divisors is an integer number (971353584432).

Almost surely, 2^{11101002120020} is an apocalyptic number.

11101002120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101002120020 is an abundant number, since it is smaller than the sum of its proper divisors (12211483906348).

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

11101002120020 is a wasteful number, since it uses less digits than its factorization.

11101002120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085111 (or 9085109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11101002120020 its reverse (2002120010111), we get a palindrome (13103122130131).

The spelling of 11101002120020 in words is "eleven trillion, one hundred one billion, two million, one hundred twenty thousand, twenty".