11202021102020 has 384 divisors, whose sum is σ = 29374119936000. Its totient is φ = 3504517632000.

The previous prime is 11202021102011. The next prime is 11202021102023. The reversal of 11202021102020 is 2020112020211.

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 = 11202021101986 and 11202021102004.

It is not an unprimeable number, because it can be changed into a prime (11202021102023) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2409552656 + ... + 2409557304.

It is an arithmetic number, because the mean of its divisors is an integer number (76495104000).

Almost surely, 2^{11202021102020} is an apocalyptic number.

11202021102020 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 11202021102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14687059968000).

11202021102020 is an abundant number, since it is smaller than the sum of its proper divisors (18172098833980).

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

11202021102020 is a wasteful number, since it uses less digits than its factorization.

11202021102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059 (or 5057 counting only the distinct ones).

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

Adding to 11202021102020 its reverse (2020112020211), we get a palindrome (13222133122231).

It can be divided in two parts, 1120202 and 1102020, that added together give a palindrome (2222222).

The spelling of 11202021102020 in words is "eleven trillion, two hundred two billion, twenty-one million, one hundred two thousand, twenty".