11210021220020 has 96 divisors (see below), whose sum is σ = 27413152704000. Its totient is φ = 3770714847744.

The previous prime is 11210021219993. The next prime is 11210021220059. The reversal of 11210021220020 is 2002212001211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11210021219977 and 11210021220004.

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 31 ways as a sum of consecutive naturals, for example, 211807121 + ... + 211860039.

It is an arithmetic number, because the mean of its divisors is an integer number (285553674000).

Almost surely, 2^{11210021220020} is an apocalyptic number.

11210021220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210021220020 is an abundant number, since it is smaller than the sum of its proper divisors (16203131483980).

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

11210021220020 is a wasteful number, since it uses less digits than its factorization.

11210021220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81537 (or 81535 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11210021220020 its reverse (2002212001211), we get a palindrome (13212233221231).

The spelling of 11210021220020 in words is "eleven trillion, two hundred ten billion, twenty-one million, two hundred twenty thousand, twenty".