11102122021020 has 96 divisors (see below), whose sum is σ = 32100715186176. Its totient is φ = 2863992211200.

The previous prime is 11102122021013. The next prime is 11102122021021. The reversal of 11102122021020 is 2012022120111.

It is a super-2 number, since 2×11102122021020² (a number of 27 digits) contains 22 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 not an unprimeable number, because it can be changed into a prime (11102122021021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3864375 + ... + 6094065.

It is an arithmetic number, because the mean of its divisors is an integer number (334382449856).

Almost surely, 2^{11102122021020} is an apocalyptic number.

11102122021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11102122021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16050357593088).

11102122021020 is an abundant number, since it is smaller than the sum of its proper divisors (20998593165156).

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

11102122021020 is a wasteful number, since it uses less digits than its factorization.

11102122021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232411 (or 2232409 counting only the distinct ones).

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

Adding to 11102122021020 its reverse (2012022120111), we get a palindrome (13114144141131).

Subtracting from 11102122021020 its reverse (2012022120111), we obtain a palindrome (9090099900909).

The spelling of 11102122021020 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, twenty-one thousand, twenty".