11022101220020 has 36 divisors (see below), whose sum is σ = 25441924557252. Its totient is φ = 4008036806400.

The previous prime is 11022101220019. The next prime is 11022101220043. The reversal of 11022101220020 is 2002210122011.

It can be written as a sum of positive squares in 2 ways, for example, as 8724851733796 + 2297249486224 = 2953786^2 + 1515668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11022101219977 and 11022101220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2277291221 + ... + 2277296060.

Almost surely, 2^{11022101220020} is an apocalyptic number.

11022101220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022101220020 is an abundant number, since it is smaller than the sum of its proper divisors (14419823337232).

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

11022101220020 is a wasteful number, since it uses less digits than its factorization.

11022101220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554587312 (or 4554587299 counting only the distinct ones).

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

Adding to 11022101220020 its reverse (2002210122011), we get a palindrome (13024311342031).

The spelling of 11022101220020 in words is "eleven trillion, twenty-two billion, one hundred one million, two hundred twenty thousand, twenty".