11210211020020 has 48 divisors (see below), whose sum is σ = 23611893516288. Its totient is φ = 4470678414720.

The previous prime is 11210211020009. The next prime is 11210211020081. The reversal of 11210211020020 is 2002011201211.

It is a super-2 number, since 2×11210211020020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13290189 + ... + 14108491.

It is an arithmetic number, because the mean of its divisors is an integer number (491914448256).

Almost surely, 2^{11210211020020} is an apocalyptic number.

11210211020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210211020020 is an abundant number, since it is smaller than the sum of its proper divisors (12401682496268).

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

11210211020020 is a wasteful number, since it uses less digits than its factorization.

11210211020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820360 (or 820358 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11210211020020 its reverse (2002011201211), we get a palindrome (13212222221231).

The spelling of 11210211020020 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, twenty thousand, twenty".