11020221201210 has 64 divisors (see below), whose sum is σ = 28965796594560. Its totient is φ = 2666692373760.

The previous prime is 11020221201203. The next prime is 11020221201239. The reversal of 11020221201210 is 1210212202011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11020221201210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239442901 + ... + 239488920.

It is an arithmetic number, because the mean of its divisors is an integer number (452590571790).

Almost surely, 2^{11020221201210} is an apocalyptic number.

11020221201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020221201210 is an abundant number, since it is smaller than the sum of its proper divisors (17945575393350).

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

11020221201210 is a wasteful number, since it uses less digits than its factorization.

11020221201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478931903.

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

Adding to 11020221201210 its reverse (1210212202011), we get a palindrome (12230433403221).

The spelling of 11020221201210 in words is "eleven trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred ten".