11021020202020 has 48 divisors (see below), whose sum is σ = 24037603934400. Its totient is φ = 4239436208000.

The previous prime is 11021020201999. The next prime is 11021020202053. The reversal of 11021020202020 is 2020202012011.

It is a happy number.

It is a super-2 number, since 2×11021020202020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37706530 + ... + 37997689.

It is an arithmetic number, because the mean of its divisors is an integer number (500783415300).

Almost surely, 2^{11021020202020} is an apocalyptic number.

11021020202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021020202020 is an abundant number, since it is smaller than the sum of its proper divisors (13016583732380).

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

11021020202020 is a wasteful number, since it uses less digits than its factorization.

11021020202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75704508 (or 75704506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11021020202020 its reverse (2020202012011), we get a palindrome (13041222214031).

The spelling of 11021020202020 in words is "eleven trillion, twenty-one billion, twenty million, two hundred two thousand, twenty".