11210221021020 has 48 divisors (see below), whose sum is σ = 35872707268608. Its totient is φ = 2562336233280.

The previous prime is 11210221021001. The next prime is 11210221021073. The reversal of 11210221021020 is 2012012201211.

It is a super-3 number, since 3×11210221021020³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13345500796 + ... + 13345501635.

It is an arithmetic number, because the mean of its divisors is an integer number (747348068096).

Almost surely, 2^{11210221021020} is an apocalyptic number.

11210221021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210221021020 is an abundant number, since it is smaller than the sum of its proper divisors (24662486247588).

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

11210221021020 is a wasteful number, since it uses less digits than its factorization.

11210221021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691002450 (or 26691002448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11210221021020 its reverse (2012012201211), we get a palindrome (13222233222231).

The spelling of 11210221021020 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, twenty-one thousand, twenty".