11021211102220 has 24 divisors (see below), whose sum is σ = 25248592707408. Its totient is φ = 4007713128000.

The previous prime is 11021211102197. The next prime is 11021211102221. The reversal of 11021211102220 is 2220111212011.

It is a junction number, because it is equal to n+sod(n) for n = 11021211102194 and 11021211102203.

It is not an unprimeable number, because it can be changed into a prime (11021211102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25048206831 + ... + 25048207270.

It is an arithmetic number, because the mean of its divisors is an integer number (1052024696142).

Almost surely, 2^{11021211102220} is an apocalyptic number.

11021211102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021211102220 is an abundant number, since it is smaller than the sum of its proper divisors (14227381605188).

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

11021211102220 is a wasteful number, since it uses less digits than its factorization.

11021211102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50096414121 (or 50096414119 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021211102220 its reverse (2220111212011), we get a palindrome (13241322314231).

The spelling of 11021211102220 in words is "eleven trillion, twenty-one billion, two hundred eleven million, one hundred two thousand, two hundred twenty".