11211000110020 has 12 divisors (see below), whose sum is σ = 23543100231084. Its totient is φ = 4484400044000.

The previous prime is 11211000109949. The next prime is 11211000110021. The reversal of 11211000110020 is 2001100011211.

11211000110020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1392102655876 + 9818897454144 = 1179874^2 + 3133512^2 .

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 = 11211000109979 and 11211000110006.

It is not an unprimeable number, because it can be changed into a prime (11211000110021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280275002731 + ... + 280275002770.

It is an arithmetic number, because the mean of its divisors is an integer number (1961925019257).

Almost surely, 2^{11211000110020} is an apocalyptic number.

11211000110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211000110020 is an abundant number, since it is smaller than the sum of its proper divisors (12332100121064).

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

11211000110020 is a wasteful number, since it uses less digits than its factorization.

11211000110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560550005510 (or 560550005508 counting only the distinct ones).

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

Adding to 11211000110020 its reverse (2001100011211), we get a palindrome (13212100121231).

The spelling of 11211000110020 in words is "eleven trillion, two hundred eleven billion, one hundred ten thousand, twenty".