11212221020010 has 64 divisors (see below), whose sum is σ = 28329582366720. Its totient is φ = 2832163963200.

The previous prime is 11212221019949. The next prime is 11212221020057. The reversal of 11212221020010 is 1002012221211.

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

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, 2700699 + ... + 5451441.

It is an arithmetic number, because the mean of its divisors is an integer number (442649724480).

Almost surely, 2^{11212221020010} is an apocalyptic number.

11212221020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212221020010 is an abundant number, since it is smaller than the sum of its proper divisors (17117361346710).

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

11212221020010 is a wasteful number, since it uses less digits than its factorization.

11212221020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757923.

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

Adding to 11212221020010 its reverse (1002012221211), we get a palindrome (12214233241221).

The spelling of 11212221020010 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-one million, twenty thousand, ten".